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Day 327: 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

    29
    For a reaction A⟶product\mathrm{A \longrightarrow product}, k=2×10−2 s−1k = 2 \times 10^{-2}\ \mathrm{s^{-1}}. If the initial concentration of A is 1.0 mol dm−31.0\ \mathrm{mol\,dm^{-3}} find the value of log⁡1[A]t\log\dfrac{1}{[A]_t} after 100 second ?

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  2. Question 2

    Electrochemistry. Asked once: 19 Apr 2025 S1 (same type asked 10 times) See all 10 of this type

    59
    For the cell reaction,
    Zn(s)+2Ag(aq)+⟶Zn(aq)+2+2Ag(s)Zn_{(s)}+ 2Ag_{(aq)}^{+}\longrightarrow Zn_{(aq)}^{+ 2}+ 2Ag_{(s)}
    Cell potential is less than Ecell ∘E_{\text{cell~}}^{\circ} by 0.0592 V at 298 K when

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  3. Question 3

    Halogen Derivatives of Alkanes. Asked once: 19 Apr 2026 S1 (same type asked 10 times) See all 10 of this type

    37
    Identify reagent B in following reaction. R−X→B\mathrm{R - X \xrightarrow{B}} Nitroalkane

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  4. Question 4

    Coordination Compounds. Asked once: 11 Apr 2026 S1 (same type asked 10 times) See all 10 of this type

    34
    Identify the hybridization in central metal of [Fe(CO)5][\mathrm{Fe(CO)_5}] complex.

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  5. Question 5

    Chemical Thermodynamics and Energetics. Asked once: 19 Apr 2025 S1 (same type asked 10 times) See all 10 of this type

    86
    Which from following reactions performs zero work?

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