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MHT-CET 2026 (19 May Shift II), Paper II, Physics & Chemistry question paper

100 questions · 100 marks · 90 minutes · +1 per correct answer, no negative marking

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Physics

50 questions

  1. 1
    A vector A⃗\vec{A} of magnitude 727\sqrt{2} unit, another vector B⃗\vec{B} of magnitude 1414 unit are inclined at an angle of 60∘60^\circ. The magnitude of the scalar product (A⃗⋅B⃗)(\vec{A} \cdot \vec{B}) is [cos⁡(60)∘=12]\left[\cos(60)^\circ = \dfrac{1}{2}\right]

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  2. 2
    A wire has mass (0.4±0.002)(0.4 \pm 0.002) g, radius (0.6±0.006)(0.6 \pm 0.006) mm and length (8±0.04)(8 \pm 0.04) cm. The percentage error in the measurement of its density is

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  3. 3
    The minute hand of a wall-clock is 1010 cm long. The average velocity of the tip of the minute hand between 6.006.00 am to 7.307.30 am is

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  4. 4
    A lead bullet moving with velocity 'vv' strikes a wall and stops. 75%75\% of its energy is converted into heat. If the increase in the temperature is v2nJs\dfrac{v^2}{nJs}, then the value of nn is {s=specific heat of lead,J=mechanical equivalent of heat}\{s = \text{specific heat of lead}, J = \text{mechanical equivalent of heat}\}

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  5. 5
    A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time tt is proportional to

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  6. 6
    A ring of mass MM and radius RR is rotating with angular speed ω\omega about a fixed vertical axis passing through its centre OO with two point masses each of mass M8\dfrac{M}{8} at rest at OO. These masses can move radially outwards along two mass-less rods fixed on the ring as shown in figure. At some instant the angular speed of the system is 8ω9\dfrac{8\omega}{9} and one of the masses is at a distance of 35R\dfrac{3}{5}R from point OO. At this instant, the distance of the other mass from point OO is

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  7. 7
    A uniform rod of length ll is free to rotate in a vertical plane about a fixed horizontal axis through point B. The rod begins rotating from rest, from its unstable equilibrium position. The angular velocity ω\omega, when it has turned through an angle θ\theta, is

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  8. 8
    Three rings each of mass MM and radius RR are arranged as shown in the figure. The moment of inertia of a system about axis YY′YY' will be

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  9. 9
    The minimum energy required to launch a satellite of mass mm from the surface of a planet of mass MM and radius RR in a circular orbit at an altitude of 3R3R is {G=gravitational constant}\{G = \text{gravitational constant}\}

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  10. 10
    A tiny water droplet falls through the air at a uniform terminal speed of 11 cm/s. If 2727 such identical droplets coalesce to form a single larger drop, what will be the new terminal velocity of the resulting drop, assuming the air remains the same?

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  11. 11
    Which of the following is NOT TRUE? a. When soluble substance is dissolved in water, the surface tension of water increases. b. When sparingly soluble substance is mixed with water, surface tension of water increases. c. When insoluble impurity is added into the water, surface tension of water decreases. d. In case of molten copper or molten cadmium, the surface tension increases with increase in its temperature.

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  12. 12
    In a hydraulic press, the piston in the small cylinder has a diameter of d1d_1 cm, while the larger piston has a diameter of d2d_2 cm. If a force F1F_1 is applied to the small piston, then the force F2F_2 on the large piston is given by

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  13. 13
    The power radiated by a black body is PP and it radiates maximum energy at wavelength λo\lambda_o. If the temperature of the black body is now changed so that it radiates maximum energy at wavelength 0.75λo0.75\lambda_o, the power radiated by it becomes nPnP. The value nn is

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  14. 14
    One mole of diatomic ideal gas undergoes a cyclic process ABC as shown in the figure. The process BC is adiabatic. The temperatures at A, B and C are 400400 K, 800800 K and 600600 K, respectively. The correct statement is

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  15. 15
    A Carnot engine has an efficiency of 30%30\%. The energy is supplied to the engine at the rate of 33 kW. The output power of the engine is

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  16. 16
    Heat is supplied to a rigid diatomic gas at constant pressure. The ratio of ΔQ:ΔU:ΔW\Delta Q : \Delta U : \Delta W is {ΔQ\Delta Q = heat supplied, ΔU\Delta U = change in internal energy, ΔW\Delta W = work done during expansion}

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  17. 17
    Two identical containers A and B with friction-less pistons contain the same ideal gas at the same temperature and the same volume, VV. The mass of gas in A is mAm_A and that in B is mBm_B. The gas in each cylinder is now allowed to expand isothermally to the same final volume 2V2V. The changes in pressure in A and B are found to be Δp\Delta p and 3Δp3\Delta p respectively. Then

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  18. 18
    A simple pendulum consists of a hollow sphere filled with mercury. As the mercury begins to leak out slowly through a small hole at the bottom, the time period of the pendulum will

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  19. 19
    The total energy of a particle executing SHM is EE. If the amplitude is doubled and the frequency is halved, the new total energy will be

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  20. 20
    A linear harmonic oscillator of force constant 2×1062 \times 10^6 N/m has amplitude 0.010.01 m. Its

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  21. 21
    A set of 88 tuning forks is arranged in ascending order of frequencies. Each fork produces 44 beats with the next one and frequency of last fork is octave of first. The frequency of 5th5^{\text{th}} fork is

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  22. 22
    A sonometer wire resonates with a given tuning fork, forming standing waves with five antinodes between the two bridges, when a mass of 99 kg is suspended from the wire. When this mass is replaced by mass MM, the wire resonates with the same tuning fork, forming three antinodes for the same positions of the bridges. The value of MM (in kg) is

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  23. 23
    A pipe open at both ends has a frequency ff in air. The pipe is dipped vertically in water, so that its (1/3)(1/3) part of its length is in water. The fundamental frequency of the air column is now xfxf, the value of xx is

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  24. 24
    A man standing between two parallel cliffs fires a gun. He hear two echos one after 33 second and the other after 55 second. The separation between the two cliffs is 13601360 m, the speed of sound is

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  25. 25
    A dipole of electric dipole moment P⃗\vec{P} is placed in an electric field of strength E⃗\vec{E}. The angle between P⃗\vec{P} and E⃗\vec{E} for which the potential energy of the electric dipole is maximum, is

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  26. 26
    Two spheres A and B of radius aa and bb respectively are at the same electric potential. The ratio of the surface charge densities of A to that of B is

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  27. 27
    Three concentric metallic spherical shells of radii R,3RR, 3R and 9R9R are given charges Q1,Q2Q_1, Q_2 and Q3Q_3, respectively. It is found that surface charge densities on the outer surfaces of the shells are equal. Then the ratio of charges given to shells Q1:Q2:Q3Q_1 : Q_2 : Q_3, is (Neglect the induction effects)

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  28. 28
    Four parallel plate capacitors are connected in parallel. Each capacitor has a plate area A4\dfrac{A}{4} and the separation between the plates is d,2d,3dd, 2d, 3d and 4d4d respectively. The equivalent capacity of the combination is [ε0=\varepsilon_0 = permittivity of free space]

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  29. 29
    In a potentiometer circuit when two cells of emf 1.61.6 V and 1.31.3 V are connected to assist each other, the balancing length is 290290 cm. What will be the balancing length in cm when these two cells are connected in opposition?

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  30. 30
    In the circuit shown in the figure, the current through

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  31. 31
    The currents through two thin long parallel wires, A and B carrying II and I3\dfrac{I}{3} respectively, in the same direction. The distance between two wires is 'dd'. The magnitude of force per unit length exerted by wire A on wire B is

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  32. 32
    Consider a circular loop (radius RR) carrying current II, the magnetic field produced by it at a point on the axis at a distance zz from the centre of the loop is xR2(z2+R2)3/2\dfrac{xR^2}{(z^2 + R^2)^{3/2}}. The value of xx is

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  33. 33
    Soft iron is used in making an electromagnet because

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  34. 34
    Two coils of self inductance, 22 mH and 88 mH are placed so closed together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is,

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  35. 35
    Two conducting circular loops of radii r1r_1 and r2r_2 are placed in the same plane with their centres coinciding. If r1>>r2r_1 >> r_2, then the mutual inductance MM between them is proportional to [I1=I_1 = current flowing through coil 1 and I2=I_2 = current flowing through coil 2]

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  36. 36
    Two inductors, L1L_1 and L2L_2 are connected in parallel and a time varying current flows as shown in the figure. The ratio of currents I2I1\dfrac{I_2}{I_1} at any time, it is

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  37. 37
    A 40 μF40\ \mu\mathrm{F} capacitor is charged to 1010 volts of potential. The battery is disconnected, and a pure 100100 mH coil is connected across the capacitor so that LC oscillations are set up. Then, the maximum current in the coil is:

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  38. 38
    To reduce the resonant frequency in an L-C-R series circuit with a generator,

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  39. 39
    The output of step-down transformer is measured to be 3636 V when connected to 66 W light bulb. The value of peak current is

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  40. 40
    The minimum refractive index of the material of a right-angled isosceles prism as shown in the following figure is

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  41. 41
    An observer looks at a distant tree of height 1010 m with a telescope of magnifying power of 2020. To the observer, the tree appears

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  42. 42
    A ray of light is incident at a glass-water interface at an angle (i1)(i_1), it emerges finally parallel to the surface of water, then the value of the refractive index of glass (μg)(\mu_g) is {μw=refractive index of water=4/3,sin⁡(90)∘=1,cos⁡(90)∘=0}\{\mu_w = \text{refractive index of water} = 4/3, \sin(90)^\circ = 1, \cos(90)^\circ = 0\}

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  43. 43
    In Young's double slit experiment, the separation between the slits is decreased to (13)th\left(\dfrac{1}{3}\right)^{th} of its original distance and the distance between the slits and the screen is doubled. The fringe width

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  44. 44
    When a metallic surface is illuminated with radiation of wavelength λ\lambda, the stopping potential is VV. If the surface is now illuminated with a radiation of wavelength 4λ4\lambda, the stopping potential (V8)\left(\dfrac{V}{8}\right). The threshold wavelength for the surface is

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  45. 45
    Radiation of wavelength λ\lambda, is incident on a photocell. The fastest emitted electron has speed vv. If the wavelength is changed to 3λ4\dfrac{3\lambda}{4}, the speed of the fastest electron will be

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  46. 46
    In an alpha decay, the daughter nucleus produced is itself unstable and undergoes further decay. If the number of parent and daughter nuclei at time tt are NpN_p and NdN_d respectively and their decay constants are λp\lambda_p and λd\lambda_d respectively. What condition needs to be satisfied in order for NdN_d to remain constant?

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  47. 47
    A radioactive nucleus X with a half-life TT, decays into a nucleus Y. At t=0t = 0, there is no nucleus Y. After some time 'tt', the ratio of the number of Y to that of X is 0.40.4. Then, 'tt' is

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  48. 48
    In the energy band diagram of a p-type semiconductor, the "Acceptor Energy Level" is located

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  49. 49
    To use Zener diode of maximum power rating 1.01.0 W as a 4.04.0 V stabilized power supply, the maximum current flowing through Zener diode will

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  50. 50
    For the logic circuit given below, for a) input A=0A = 0 and input B=1B = 1, and b) input A=1A = 1 and input B=1B = 1, the output EE is respectively

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Chemistry

50 questions

  1. 51
    The number of protons, electrons and neutrons in P3−\mathrm{P^{3-}} ion are, respectively

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  2. 52
    Calculate the total number of protons, neutrons and electrons in 11 mole of 20Ne\mathrm{^{20}Ne}

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  3. 53
    Which is the correct decreasing order for ionic character of halides, where M is a monovalent metal?

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  4. 54
    What is the shape of a molecule if it has two lone pairs and three bonding pairs of electrons?

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  5. 55
    What is the value of critical temperature of CO2\mathrm{CO_2} in ∘C^\circ\mathrm{C}?

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  6. 56
    Calulate ΔS(total)\Delta S_{(total)} for following reaction. CH3OH(l)+3/2 O2(g)→CO2(g)+2H2O(l)\mathrm{CH_3OH_{(l)} + 3/2\,O_{2(g)} \to CO_{2(g)} + 2H_2O_{(l)}}, ΔH=−726 kJ mol−1\Delta H = -726\ \mathrm{kJ\ mol^{-1}}, ΔS(system)=42 JK−1\Delta S_{(system)} = 42\ \mathrm{JK^{-1}} (both at 298298 K)

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  7. 57
    Evaluate the standard enthalpy of formation of C2H4\mathrm{C_2H_4} in kJ/mol from the following data, C2H4(g)+3O2(g)→2CO2(g)+2H2O(l)\mathrm{C_2H_{4(g)} + 3O_{2(g)} \to 2CO_{2(g)} + 2H_2O_{(l)}} ΔrH0=−1411\Delta_r H^0 = -1411 kJ/mol ΔfH0(CO2)=−393\Delta_f H^0(\mathrm{CO_2}) = -393 kJ/mol ΔfH0(H2O)=−285\Delta_f H^0(\mathrm{H_2O}) = -285 kJ/mol

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  8. 58
    Find the value of Δ(sub)H\Delta_{(sub)} H for water if, enthalpy of fusion of water is 6.0 kJ mol−16.0\ \mathrm{kJ\ mol^{-1}} and enthalpy of vapourisation is 45.0 kJ mol−145.0\ \mathrm{kJ\ mol^{-1}}

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  9. 59
    What is the pH of a mixture of 4040 ml of 0.10.1 M Ba(HCOO)2\mathrm{Ba(HCOO)_2} and 2020 ml of 0.10.1 M HCOOH\mathrm{HCOOH} solution? (pKapK_a for formic acid =5= 5)

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  10. 60
    The solubility product of a sparingly soluble salt BA2\mathrm{BA_2} is 1.08×10−101.08 \times 10^{-10}. Calculate its solubility in g dm−3\mathrm{dm^{-3}} if the molar mass of salt is 175 g mol−1175\ \mathrm{g\ mol^{-1}}.

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  11. 61
    Which of the following aqueous solutions turns blue litmus red?

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  12. 62
    What is oxidation number of oxygen in super oxide of a monovalent metal?

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  13. 63
    Which of the following is an amphoteric hydroxide?

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  14. 64
    What is the IUPAC name of CH3−O−CH2−CH2−CH3\mathrm{CH_3{-}O{-}CH_2{-}CH_2{-}CH_3}?

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  15. 65
    Identify the property of a racemic mixture by the following.

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  16. 66
    Which of the following is the most stable cation?

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  17. 67
    Which of the following reagents is used for acetylation of benzene? (A) (CH3CO)2O\mathrm{(CH_3CO)_2O} (B) H2/Pt\mathrm{H_2/Pt} (C) CO/Ni\mathrm{CO/Ni} (D) CH3COCl\mathrm{CH_3COCl} Choose the CORRECT option from the following.

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  18. 68
    Which of the following is NOT a role of green chemistry?

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  19. 69
    Which of the following salts does NOT exhibit Frenkel defect?

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  20. 70
    The unit cell of metal is fcc. Calculate the void volume unit cell if the radius of metal atom is 127.3127.3 pm.

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  21. 71
    Which of the following is an example of ferromagnetic substance?

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  22. 72
    One litre of glucose solution have osmotic pressure 1.51.5 atmosphere is mixed with other 22 litre glucose solution of osmotic pressure 2.52.5 atmosphere. Then find resultant osmotic pressure of the solution.

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  23. 73
    Addition of 0.6430.643 g of compound to 5050 ml of benzene (density of benzene =0.879= 0.879 g/ml) lowers the freezing point from 5.51∘C5.51^\circ\mathrm{C} to 5.03∘C5.03^\circ\mathrm{C}. If KfK_f for benzene is 5.125.12 K kg/mol. Calculate the molecular weight of a compound in gram?

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  24. 74
    Find the solubility of organic compound R-X in water at 25∘C25^\circ\mathrm{C} and at 130130 mmHg, if Henry's law constant for that organic compound is 0.160 mol L−1 bar−10.160\ \mathrm{mol\ L^{-1}\ bar^{-1}} at that temperature.

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  25. 75
    What is the molar conductivity of a 0.5 mol/dm30.5\ \mathrm{mol/dm^3} AgNO3\mathrm{AgNO_3} solution if electrolytic conductivity of it is 5.76×10−3 S cm−15.76 \times 10^{-3}\ \mathrm{S\ cm^{-1}} at 298298 K?

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  26. 76
    For the cell Ni(s)∣Ni(1M)++∣∣Cu(1M)++∣Cu(s)\mathrm{Ni_{(s)} | Ni^{++}_{(1M)} || Cu^{++}_{(1M)} | Cu_{(s)}}, if the concentration of an ion in the anode compartment is doubled, then the emf of cell will be

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  27. 77
    Identify the value of 1 S cm2 mol−11\ \mathrm{S\ cm^2\ mol^{-1}} from following.

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  28. 78
    The rate constant for a first order reaction is 2.2×10−5 s−12.2 \times 10^{-5}\ \mathrm{s^{-1}} at 320∘C320^\circ\mathrm{C}. Calculate the time required for 15%15\% completion?

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  29. 79
    The rate constants for the first order reaction are x s−1x\ \mathrm{s^{-1}} at 300300 K and y s−1y\ \mathrm{s^{-1}} at 320320 K. Calculate the activation energy of the reaction. [R=8.314 J K−1 mol−1R = 8.314\ \mathrm{J\ K^{-1}\ mol^{-1}} and y/x=4y/x = 4]

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  30. 80
    For the reaction N2(g)+3H2(g)→2NH3(g)\mathrm{N_2}(g) + 3\mathrm{H_2}(g) \to 2\mathrm{NH_3}(g), the rate of reaction is equal to

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  31. 81
    Which of the following statements is NOT true regarding oil in water emulsion?

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  32. 82
    Which element from following exhibits anomalous behavior with remaining three members?

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  33. 83
    Why is actinoid contraction more as compared to lanthanoide contraction?

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  34. 84
    Which of the following elements exhibits only one value of oxidation state?

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  35. 85
    Identify geometry of [Ni(Cl)4]2−\mathrm{[Ni(Cl)_4]^{2-}}.

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  36. 86
    Which of the following coordination compounds exhibits linkage isomerism?

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  37. 87
    Identify the product obtained when chlorobenzene is treated with acetyl chloride in presence of anhy. AlCl3\mathrm{AlCl_3}.

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  38. 88
    What is the product of following reaction? 2CH3I+2Na→P\mathrm{2CH_3I + 2Na} \to P

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  39. 89
    Water solubility of alcohol, amines and alkanes of comparable molar mass are in order?

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  40. 90
    Propene reacts with diborane in the presence of THF followed by H2O2\mathrm{H_2O_2} in alkaline medium to give compound A. Compound A reacts with phosphorous pentachloride to give compound B. Identify compound B.

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  41. 91
    Which of the following reactions is used to prepare diethyl ether from ethyl chloride?

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  42. 92
    Which of the following compounds is most reactive towards nucleophilic addition reaction?

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  43. 93
    Identify the pair of ketone having both members as mixed ketones.

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  44. 94
    Which of the following compounds reacts with Grignard's reagent and hydrolyzes further to form carboxylic acid?

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  45. 95
    Identify product P in following reaction. R−NH2+CHCl3+3KOH\mathrm{R{-}NH_2 + CHCl_3 + 3KOH} (heat) →P\to P

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  46. 96
    Which of the following nitrogen bases is absent in RNA?

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  47. 97
    Which from following reactions confirms presence of one carbonyl group in glucose?

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  48. 98
    Which of the following is an Omega-3 fatty acid?

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  49. 99
    Which of the following polymers belongs elastomers?

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  50. 100
    What type of polymers the polycarbonates are?

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