PYQ Vault

Day 282: MHT-CET Chemistry

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

  1. Question 1

    Chemical Kinetics. Asked once: 4 May 2023 S2 (same type asked 7 times) See all 7 of this type

    75
    What is the half-life of a first order reaction if time required to decrease concentration of reactant from 0.8 M to 0.2 M is 12 hour?

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  2. Question 2

    Coordination Compounds. Asked once: 10 May 2024 S2 (same type asked 7 times) See all 7 of this type

    62
    Which from following complexes is heteroleptic?

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  3. Question 3

    Chemical Bonding and Molecular Structure. Asked once: 15 Apr 2026 S1 (same type asked 7 times) See all 7 of this type

    5
    Which of the following order of dipole moment for stated molecules is correct?

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  4. Question 4

    Chemical Thermodynamics and Energetics. Asked once: 3 May 2023 S2 (same type asked 7 times) See all 7 of this type

    55
    Find value of Q from following equations. (i) C(s)+O2(g)→CO2(g), ΔH=Q kJC(s)+O_2(g)\rightarrow CO_2(g),\, \Delta H=Q\text{ kJ} (ii) C(s)+12O2(s)→CO2(s), ΔH=−x kJC(s)+\frac{1}{2}O_2(s)\rightarrow CO_2(s),\, \Delta H=-x\text{ kJ} (iii) C(s)+12O2(g)→CO2(g), ΔH=−y kJC(s)+\frac{1}{2}O_2(g)\rightarrow CO_2(g),\, \Delta H=-y\text{ kJ}

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  5. Question 5

    Coordination Compounds. Asked once: 9 May 2023 S1 (same type asked 7 times) See all 7 of this type

    71
    Which from the following statements about [Co(NH3)6]3+[\text{Co(NH}_3)_6]^{3+} complex is NOT correct?

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