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Day 33: MHT-CET Chemistry

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

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. This type asked 6 times: 9 May 2024 S1, 22 Apr 2025 S1, 22 Apr 2025 S2, 26 Apr 2025 S2, 18 Apr 2026 S2, 19 May 2026 S2. This one: 19 May 2026 S2 See all 6 of this type

    44
    Which of the following compounds reacts with Grignard's reagent and hydrolyzes further to form carboxylic acid?

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  2. Question 2

    Chemical Kinetics. This type asked 6 times: 19 Apr 2025 S2, 20 Apr 2025 S1, 25 Apr 2025 S1, 16 Apr 2026 S1, 19 May 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 6 of this type

    29
    The rate constants for the first order reaction are x s−1x\ \mathrm{s^{-1}} at 300300 K and y s−1y\ \mathrm{s^{-1}} at 320320 K. Calculate the activation energy of the reaction. [R=8.314 J K−1 mol−1R = 8.314\ \mathrm{J\ K^{-1}\ mol^{-1}} and y/x=4y/x = 4]

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  3. Question 3

    Biomolecules. This type asked 6 times: 9 May 2024 S2, 10 May 2024 S2, 13 May 2024 S2, 11 Apr 2026 S2, 19 Apr 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 6 of this type

    47
    Which of the following is NOT a disaccharide ?

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  4. Question 4

    Alcohols, Phenols and Ethers. This type asked 6 times: 9 May 2024 S2, 10 May 2024 S2, 15 Apr 2026 S2, 16 Apr 2026 S2, 13 May 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    39
    An organic compound gives hydrogen on reaction with sodium metal and it also forms an aldehyde having molecular formula C2H4O\mathrm{C_2H_4O} on oxidation with pyridinium chlorochromate, identify the organic compound from following ?

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  5. Question 5

    Chemical Kinetics. This type asked 6 times: 16 May 2023 S2, 19 Apr 2025 S2, 20 Apr 2025 S2, 21 Apr 2025 S1, 20 Apr 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    28
    For the reaction A(g)+B(g)→2AB(g)A(g) + B(g) \rightarrow 2AB(g) rate law is rate =k[A][B]1/2= k[A][B]^{1/2}. Identify TRUE statements about the reaction from following.

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