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Day 79: JEE Mains Chemistry

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

  1. Question 1

    Alcohols, Phenols and Ethers. Asked 2 times: 29 Jan 2024*, 30 Jan 2024 (* = numbers or wording changed that year) See all 2 times it was asked

    122
    Salicylaldehyde is synthesized from phenol, when reacted with

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  2. Question 2

    Chemical Bonding and Molecular Structure. Asked 2 times: 29 Jan 2024*, 30 Jan 2024 (* = numbers or wording changed that year) See all 2 times it was asked

    55
    The total number of molecular orbitals formed from 2 s2\text{ }s and 2p2p atomic orbitals of a diatomic molecule

  3. Question 3

    The d- and f-Block Elements. Asked 2 times: 30 Jan 2023, 29 Jan 2024 See all 2 times it was asked

    50
    In alkaline medium. MnO4−MnO_{4}^{-}oxidises I−I^{-}to

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  4. Question 4

    Chemical Bonding and Molecular Structure. Asked 2 times: 2021 Paper 16*, 27 Jan 2024 (* = numbers or wording changed that year) See all 2 times it was asked

    59
    Sum of bond order of COCO and NO+NO^{+}is ____

  5. Question 5

    The d- and f-Block Elements. Asked 2 times: 25 Jun 2022, 27 Jan 2024 See all 2 times it was asked

    124
    Given below are two statements: Statement (I): In the Lanthanoids, the formation of Ce+4Ce^{+ 4} is favoured by its noble gas configuration. Statement (II): Ce+4Ce^{+ 4} is a strong oxidant reverting to the common +3 state. In the light of the above statements, choose the most appropriate answer from the options given below:

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