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Day 303: JEE Mains Chemistry

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

  1. Question 1

    Coordination Compounds. Asked once: 24 Jan 2023 (same type asked 4 times) See all 4 of this type

    59
    The d-electronic configuration of [CoCl4]2−\left\lbrack CoCl_{4} \right\rbrack^{2 -} in tetrahedral crystal field is emt2ne^{m}t_{2}^{n}. Sum of "m" and "number of unpaired electrons" is

  2. Question 2

    Amines. Asked once: 2021 Paper 7 (same type asked 4 times) See all 4 of this type

    41
    Hoffmann bromomide degradation of benzamide gives product AA, which upon heating with CHCl3CHCl_{3} and NaOHNaOH gives product BB. The structures of AA and BB are:

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  3. Question 3

    Electrochemistry. Asked once: 14 Jun 2022 (same type asked 4 times) See all 4 of this type

    54
    The cell potential for the following cell Pt∣H2( g)∣H+(aq)∣∣Cu2+(0.01M)∣Cu(s)Pt\left| H_{2}(\text{ }g) \right|H^{+}(aq)||Cu^{2 +}(0.01M) \mid Cu(s) is 0.576 V0.576\text{ }V at 298 K298\text{ }K. The pHpH of the solution is (Nearest integer)

  4. Question 4

    Alcohols, Phenols and Ethers. Asked once: 2021 Paper 25 (same type asked 4 times) See all 4 of this type

    35
    Given below are two statements: Statement I: o-Nitrophenol is steam volatile due to intramolecular hydrogen bonding Statement II: o-Nitrophenol has high melting point due to hydrogen bonding. In the light of the above statements, choose the most appropriate answer from the options given below:

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  5. Question 5

    Amines. Asked once: 2021 Paper 4 (same type asked 4 times) See all 4 of this type

    32
    Carbylamine test is used to detect the presence of primary amino group in an organic compound. Which of the following compound is formed when this test is performed with aniline?

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