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Day 254: MHT-CET Chemistry

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

  1. Question 1

    Alcohols, Phenols and Ethers. Asked once: 11 May 2023 S1 (same type asked 2 times) See all 2 of this type

    87
    Identify product obtained in following reaction. C6H5OH→CrO3C_6H_5OH \xrightarrow{CrO_3} Product

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  2. Question 2

    Coordination Compounds. Asked once: 14 May 2026 S1 (same type asked 2 times) See all 2 of this type

    35
    Complex [Co(H2O)6]2+[\mathrm{Co(H_2O)_6}]^{2+} when dissolved in water forms a pink solution. But when this solution is treated with concentrated hydrochloric acid, it turns deep blue to form another complex [CoCl4]2−[\mathrm{CoCl_4}]^{2-}. Identify the main reason for this colour change.

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  3. Question 3

    Biomolecules. Asked once: 13 Apr 2026 S2 (same type asked 2 times) See all 2 of this type

    44
    What is the correct sequence of the complementary strand for the given portion of a DNA molecule:- 5' - G A C G T A C -3' ?

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  4. Question 4

    Elements of Group 16, 17 and 18. Asked once: 23 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    60
    Which of the following inert gases is used for magnetic resonance imaging?

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  5. Question 5

    States of Matter. Asked once: 22 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    62
    What is vapor density of O2O_{2} gas?

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