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1. A
   $2\lambda_{A^{3+}}^0+3\lambda_{B^{2-}}^0$
2. B
   $3\lambda_{A^{3+}}^0+2\lambda_{B^{2-}}^0$
3. C
   $2\lambda_{A^+}^0+\lambda_{B^-}^0$
4. D
   $\lambda_{A^{3+}}^0+3\lambda_{B^{2-}}^0$

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1. A
   Ethanol
2. B
   Propan-1-ol
3. C
   Propan-2-ol
4. D
   Butan-1-ol

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1. A
   Chloromethane
2. B
   Fluoromethane
3. C
   Iodomethane
4. D
   Bromomethane

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1. A
   $\text{RCOCl}\xrightarrow{\text{H}_2/\text{Pd-BaSO}_4}\text{R-CHO+HCl}$
2. B
   $\text{RCN}\xrightarrow{\text{SnCl}_2,\text{HCl/H}_3\text{O}^+}\text{RCHO+NH}_4\text{Cl}$
3. C
   $\text{RCHO}\xrightarrow{\text{Zn-Hg/conc.HCl}}\text{R-CH}_2+\text{H}_2\text{O}$
4. D
   $\text{RCOR'}\xrightarrow{(i)\text{H}_2\text{N-NH}_2,(ii)\text{KOH,HOCH}_2\text{CH}_2\text{OH}}\text{R-CH}_2\text{-R'}+\text{N}_2$

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1. A
   $\text{Zn}>\text{Fe}>\text{Cr}>\text{Sc}$
2. B
   $\text{Cr}>\text{Fe}>\text{Zn}>\text{Sc}$
3. C
   $\text{Sc}>\text{Fe}>\text{Cr}>\text{Zn}$
4. D
   $\text{Cr}>\text{Zn}>\text{Sc}>\text{Fe}$

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1. A
   At
2. B
   Po
3. C
   Se
4. D
   Te

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1. A
   Radio waves
2. B
   Microwaves
3. C
   Infrared
4. D
   Ultraviolet

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1. A
   $\text{CuCl}_2$
2. B
   $\text{NH}_4\text{CN}$
3. C
   $\text{KCN}$
4. D
   $\text{CH}_3\text{COONa}$

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1. A
   3.2 m
2. B
   2.0 m
3. C
   2.6 m
4. D
   3.8 m

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1. A
   $\text{CH}_3\text{CH}$
2. B
   $\text{CH}_3\text{OC}_2\text{H}_5$
3. C
   $\text{CH}_3\text{ONa}$
4. D
   $\text{CH}_3\text{CH}_2\text{NH}_2$

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1. A
   310 J
2. B
   $-90\ \text{J}$
3. C
   $-210\ \text{J}$
4. D
   190 J

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1. A
   $-\text{OH}$ is considered as principal functional group.
2. B
   Molecular formula of this compound is $\text{C}_4\text{H}_9\text{O}_2$.
3. C
   $-\text{OH}$ is attached with sp$^2$ hybrid carbon.
4. D
   IUPAC name of this compound is 2-hydroxypentan-3-one.

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1. A
   Acetophenone
2. B
   Butanone
3. C
   Benzophenone
4. D
   Pentan-2-one

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1. A
   8
2. B
   10
3. C
   14
4. D
   24

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1. A
   Boiling point and heat capacity
2. B
   Heat capacity and boiling point.
3. C
   Internal energy and pressure
4. D
   Heat capacity and surface tension.

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1. A
   225.04 pm
2. B
   194.85 pm
3. C
   159.08 pm
4. D
   90.05 pm

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1. A
   12 g
2. B
   4.8 g
3. C
   6 g
4. D
   2.4 g

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1. A
   Methane and water
2. B
   Methyl alcohol
3. C
   Acetaldehyde
4. D
   Ethylene oxide

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1. A
   $\text{C}_3\text{H}_8$
2. B
   $\text{C}_4\text{H}_{10}$
3. C
   $\text{C}_5\text{H}_{12}$
4. D
   $\text{C}_6\text{H}_{14}$

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1. A
   High density polythene
2. B
   Low density polythene
3. C
   Bakelite
4. D
   Melamine

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1. A
   $4.8\ \text{mol}^{-2}\text{dm}^6\text{s}^{-1}$
2. B
   $9.6\ \text{mol}^{-2}\text{dm}^6\text{s}^{-1}$
3. C
   $12.1\ \text{mol}^{-2}\text{dm}^6\text{s}^{-1}$
4. D
   $14.4\ \text{mol}^{-2}\text{dm}^6\text{s}^{-1}$

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1. A
   As the particle size decreases the total surface area of particles increases.
2. B
   Nanomaterial based catalysts exhibit increased catalytic activities.
3. C
   Nanosized Cu and Pd clusters have very less hardness than bulk metal.
4. D
   Carbon nanotube can act as electrical conductor.

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1. A
   $6.00\times10^{-23}\ \text{cm}^3$
2. B
   $5.00\times10^{-23}\ \text{cm}^3$
3. C
   $4.00\times10^{-23}\ \text{cm}^3$
4. D
   $7.00\times10^{-23}\ \text{cm}^3$

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1. A
   $[\text{Co(NH}_3)_6]^{3+}$
2. B
   $[\text{Co(NH}_3)_4\text{Cl}_2]^+$
3. C
   $[\text{Pt(NH}_3)_2\text{Cl}_2]$
4. D
   $[\text{Co(NH}_3)_5\text{Cl}]\text{SO}_4$

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1. A
   dependent of concentration.
2. B
   It varies with temperature.
3. C
   It is equal to rate of reaction at unit concentration of reactants.
4. D
   It's unit is independent of order of reaction.

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