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Day 273: MHT-CET Chemistry

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

  1. Question 1

    Chemical Kinetics. Asked once: 18 Apr 2026 S2 (same type asked 10 times) See all 10 of this type

    28
    What is the time required for 75 % completion of a first order reaction if rate constant is 23.03 minute−123.03\ \mathrm{minute^{-1}} ?

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  2. Question 2

    Electrochemistry. Asked once: 20 Apr 2025 S2 (same type asked 10 times) See all 10 of this type

    87
    Which from following statement is correct regarding emf of cell for the cell reaction, Cd(s)+Cu(aq)+2⟶Cd(aq)+2+Cu(s)Cd_{(s)}+Cu_{(aq)}^{+ 2}\longrightarrow Cd_{(aq)}^{+ 2}+Cu_{(s)}. if concentration of Cd+2Cd^{+ 2} is 10 times greater than concentration of Cu(aq)+2Cu_{(aq)}^{+ 2} at 298 K .

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  3. Question 3

    Halogen Derivatives of Alkanes. Asked once: 13 May 2026 S1 (same type asked 10 times) See all 10 of this type

    37
    Which of the following compounds is obtained when potassium cyanide reacts with alkyl halide?

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  4. Question 4

    Coordination Compounds. Asked once: 13 Apr 2026 S2 (same type asked 10 times) See all 10 of this type

    34
    Which of the following statements is correct with respect to [Mn(CN)6]3−[\mathrm{Mn(CN)_6}]^{3-} ?

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  5. Question 5

    Chemical Thermodynamics and Energetics. Asked once: 22 Apr 2025 S2 (same type asked 10 times) See all 10 of this type

    56
    Identify from following reactions that exhibits negative work done.

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