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Day 10: MHT-CET Chemistry

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

  1. Question 1

    Chemical Kinetics. This type asked 11 times: 3 May 2023 S1, 4 May 2023 S1, 11 May 2023 S2, 20 Apr 2025 S2, 22 Apr 2025 S1, 11 Apr 2026 S2, 13 Apr 2026 S2, 19 Apr 2026 S2, 12 May 2026 S2, 14 May 2026 S1, 15 May 2026 S1. This one: 15 May 2026 S1 See all 11 of this type

    26
    For the first order reaction, the half life period is 1010 minutes. What quantity of reactant remains after 3030 minutes if the initial quantity of reactant taken is 11 g?

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  2. Question 2

    Electrochemistry. This type asked 11 times: 21 Apr 2025 S1, 21 Apr 2025 S2, 22 Apr 2025 S1, 22 Apr 2025 S2, 25 Apr 2025 S1, 26 Apr 2025 S1, 26 Apr 2025 S2, 11 Apr 2026 S2, 20 Apr 2026 S2, 13 May 2026 S2, 15 May 2026 S1. This one: 15 May 2026 S1 See all 11 of this type

    24
    Identify the EredE_{red} value from following, if CuSO4\mathrm{CuSO_4} solution dipped with Cu rod is diluted to 1010 times.

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  3. Question 3

    Structure of Atom. This type asked 11 times: 3 May 2023 S2, 11 May 2023 S1, 9 May 2024 S1, 9 May 2024 S2, 13 May 2024 S2, 19 Apr 2025 S1, 19 Apr 2025 S2, 19 Apr 2026 S1, 19 Apr 2026 S2, 14 May 2026 S2, 15 May 2026 S1. This one: 15 May 2026 S1 See all 11 of this type

    2
    Calculate the longest wavelength in the hydrogen emission spectrum of the Balmer series. [ν~=109677 cm−1\tilde{\nu} = 109677\ \mathrm{cm^{-1}}]

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  4. Question 4

    Amines. This type asked 11 times: 2 May 2023 S2, 9 May 2023 S1, 15 May 2023 S1, 16 May 2023 S1, 9 May 2024 S2, 20 Apr 2025 S2, 26 Apr 2025 S1, 26 Apr 2025 S2, 13 Apr 2026 S2, 13 May 2026 S2, 14 May 2026 S2. This one: 14 May 2026 S2 See all 11 of this type

    44
    Identify secondary amines from the following list? a) N,N-Dimethylethanamine b) N-Methylmethanamine c) 4-Bromobenzenamine d) N-Methylbenzenamine e) N-Methylethanamine

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  5. Question 5

    Alcohols, Phenols and Ethers. This type asked 10 times: 2 May 2023 S1, 9 May 2023 S1, 15 May 2023 S2, 12 May 2024 S1, 11 Apr 2026 S1, 15 Apr 2026 S2, 16 Apr 2026 S2, 17 Apr 2026 S2, 15 May 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 10 of this type

    41
    Which of the following reactions is used to prepare diethyl ether from ethyl chloride?

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