PYQ Vault

Day 81: MHT-CET Chemistry

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

  1. Question 1

    Surface Chemistry. Asked 3 times: 9 May 2023 S2, 22 Apr 2025 S2, 18 Apr 2026 S1 See all 3 times it was asked

    30
    Which from following anions has greater power for coagulation of positive sol?

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  2. Question 2

    Alcohols, Phenols and Ethers. Asked 3 times: 15 May 2023 S2*, 12 May 2024 S1*, 17 Apr 2026 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    40
    Which among the following does NOT undergo Williamson's synthesis?

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  3. Question 3

    Electrochemistry. Asked 3 times: 25 Apr 2025 S2*, 13 Apr 2026 S1*, 17 Apr 2026 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    27
    If standard reduction potential (E0)(E^0) of (Al(aq)+3∣Al(s))\left(\mathrm{Al^{+3}_{(aq)}|Al_{(s)}}\right), (Fe(aq)+2∣Fe(s))\left(\mathrm{Fe^{+2}_{(aq)}|Fe_{(s)}}\right), (Cu(aq)+2∣Cu(s))\left(\mathrm{Cu^{+2}_{(aq)}|Cu_{(s)}}\right) and (Ag(aq)+1∣Ag(s))\left(\mathrm{Ag^{+1}_{(aq)}|Ag_{(s)}}\right) are −1.66-1.66 V, −0.44-0.44 V, +0.34+0.34 V and +0.79+0.79 V respectively. Which of the following reaction is non spontaneous ?

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  4. Question 4

    Introduction to Polymer Chemistry. Asked 3 times: 19 Apr 2025 S1*, 13 Apr 2026 S2*, 17 Apr 2026 S2 (* = numbers or wording changed that year) See all 3 times it was asked

    48
    Which from following polymer is obtained by addition polymerization?

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  5. Question 5

    Chemical Kinetics. Asked 3 times: 10 May 2024 S2, 15 Apr 2026 S1*, 17 Apr 2026 S1 (* = numbers or wording changed that year) See all 3 times it was asked

    29
    If time required for 90 % completion of a first order reaction is 'tt'. What is the time required for 99.9 % completion of reaction at same temperature?

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