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Day 83: JEE Mains Chemistry

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

  1. Question 1

    The d- and f-Block Elements. Asked 2 times: 2021 Paper 1, 27 Jun 2022 See all 2 times it was asked

    128
    In 3 d3\text{ }d series, the metal having the highest M2+/MM^{2 +}/M standard electrode potential is

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  2. Question 2

    Chemical Bonding and Molecular Structure. Asked 2 times: 2021 Paper 15, 26 Jun 2022 See all 2 times it was asked

    34
    Consider the ions/molecule
    O2+,O2,O2−,O22−O_{2}^{+},O_{2},O_{2}^{-},O_{2}^{2 -}
    For increasing bond order the correct option is:

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  3. Question 3

    Biomolecules. Asked 2 times: 2021 Paper 14, 2021 Paper 23 See all 2 times it was asked

    37
    Which of the following is NOT an example of fibrous protein?

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  4. Question 4

    Coordination Compounds. Asked 2 times: 2021 Paper 10, 2021 Paper 22 See all 2 times it was asked

    57
    The number of hydrogen bonded water molecule(s) associated with stoichiometry CuSO4⋅5H2OCuSO_{4}\cdot 5H_{2}O is

  5. Question 5

    Biomolecules. This type asked 2 times: 6 Apr 2026 S1, 8 Apr 2026 S2. This one: 8 Apr 2026 S2 See all 2 of this type

    45
    Which of the following amino acid will give violet coloured complex with neutral ferric chloride solution?

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