PYQ Vault

Day 370: JEE Mains Chemistry

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

  1. Question 1

    Amines. Asked once: 2021 Paper 16 (same type asked 9 times) See all 9 of this type

    25
    A: Aniline is less basic than acetamide. RR : Lone pair of NN in aniline is involved in resonance.

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  2. Question 2

    Coordination Compounds. Asked once: 25 Jul 2022 (same type asked 9 times) See all 9 of this type

    131
    The correct order of energy of absorption for the following metal complexes is A: [Ni(en)3]2+,B:[Ni(NH3)6]2+,C:[Ni(H2O)6]2+\left\lbrack Ni(en)_{3} \right\rbrack^{2 +},B:\left\lbrack Ni\left( NH_{3} \right)_{6} \right\rbrack^{2 +},C:\left\lbrack Ni\left( H_{2}O \right)_{6} \right\rbrack^{2 +}

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  3. Question 3

    Coordination Compounds. Asked once: 10 Apr 2023 (same type asked 9 times) See all 9 of this type

    58
    In potassium ferrocyanide, there are ____pairs of electrons in the t2 gt_{2\text{ }g} set of orbitals
  4. Question 4

    Coordination Compounds. Asked once: 2021 Paper 26 (same type asked 9 times) See all 9 of this type

    52
    The number of stereoisomers possible for [Co(ox)2(Br)(NH3)]2−\left\lbrack Co(ox)_{2}(Br)\left( NH_{3} \right) \right\rbrack^{2 -} is [ox=\lbrack ox = oxalate ]\rbrack
  5. Question 5

    Coordination Compounds. Asked once: 27 Jun 2022 (same type asked 9 times) See all 9 of this type

    41
    Which of the following will have maximum stabilization due to crystal field?

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