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Day 40: 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: 11 May 2023 S2, 16 May 2023 S1, 22 Apr 2025 S2, 26 Apr 2025 S2, 17 Apr 2026 S2, 18 Apr 2026 S2. This one: 18 Apr 2026 S2 See all 6 of this type

    40
    Identify the 'product' in the following reaction. Pent - 3 - enenitrile →H3O+Al H(i−Bu)2\mathrm{\xrightarrow[H_3O^+]{Al\,H(i{-}Bu)_2}} Product

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  2. Question 2

    Basic Principles of Organic Chemistry. This type asked 6 times: 11 May 2023 S2, 15 May 2023 S2, 16 May 2023 S2, 14 May 2024 S1, 25 Apr 2025 S2, 18 Apr 2026 S2. This one: 18 Apr 2026 S2 See all 6 of this type

    16
    Which from following compounds does NOT contain double bond in it ?

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  3. Question 3

    Surface Chemistry. This type asked 6 times: May 2021 S1, 3 May 2023 S1, 3 May 2023 S2, 23 Apr 2025 S1, 25 Apr 2025 S2, 18 Apr 2026 S2. This one: 18 Apr 2026 S2 See all 6 of this type

    30
    Which of the following is an example of macromolecular colloid?

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  4. Question 4

    Electrochemistry. This type asked 6 times: 9 May 2023 S2, 9 May 2024 S1, 20 Apr 2025 S1, 20 Apr 2025 S2, 15 Apr 2026 S2, 18 Apr 2026 S1. This one: 18 Apr 2026 S1 See all 6 of this type

    14
    What happens in the oxidation number of Mn during working of dry cell.

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  5. Question 5

    Chemical Kinetics. This type asked 6 times: 3 May 2023 S2, 9 May 2023 S1, 10 May 2023 S1, 16 May 2023 S1, 21 Apr 2025 S2, 17 Apr 2026 S1. This one: 17 Apr 2026 S1 See all 6 of this type

    27
    Half life of zero order reaction is 1 hour. If initial concentration of reactant is 2.0 mol L−1\mathrm{L^{-1}}, find the time required to decrease concentration from 0.50 to 0.25 mol L−1\mathrm{L^{-1}}

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