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Day 404: JEE Mains Chemistry

5 questions. Try each one first, then open its answer.

  1. Question 1

    Chemical Thermodynamics. Asked once: 28 Jan 2026 S2

    30
    The plot of log⁡10 K\log_{10}\text{ }K vs 1 T\frac{1}{\text{ }T} gives a straight line. The intercept and slope respectively are (where K is equilibrium constant).

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  2. Question 2

    Classification of Elements and Periodicity. Asked once: 4 Apr 2026 S2

    32
    The 1st 1^{\text{st~}} ionization enthalpy for Mg is +737 kJ/mol+ 737\text{ }kJ/mol. The most probable estimated value of the 2nd 2^{\text{nd~}} ionization enthalpy of Mg is ____\_\_\_\_ .

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  3. Question 3

    Coordination Compounds. Asked once: 8 Apr 2024

    45
    Given below are two statements: Statement I: N(CH3)3N\left( CH_{3} \right)_{3} and P(CH3)3P\left( CH_{3} \right)_{3} can act as ligands to form transition metal complexes. Statement II: As N and PP are from same group, the nature of bonding of N(CH3)3N\left( CH_{3} \right)_{3} and P(CH3)3P\left( CH_{3} \right)_{3} is always same with transition metals. In the light of the above statements, choose the most appropriate answer from the options given below:

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  4. Question 4

    Electrochemistry. Asked once: 21 Jan 2026 S2

    42
    For a closed circuit Daniell cell, which of the following plots is the accurate one at a given temperature?

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  5. Question 5

    Equilibrium. Asked once: 28 Jan 2025

    34
    Ice and water are placed in a closed container at a pressure of 1 atm and temperature 273.15 K . If pressure of the system is increased 2 times, keeping temperature constant, then identify correct observation from following :

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