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Day 43: JEE Mains Chemistry

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

  1. Question 1

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 4 times: 29 Jun 2022, 1 Feb 2023, 27 Jan 2024, 8 Apr 2024. This one: 8 Apr 2024 See all 4 of this type

    143
    Total number of optically active compounds from the following is ____

  2. Question 2

    The p-Block Elements. This type asked 4 times: 2021 Paper 26, 26 Jun 2022, 5 Apr 2024, 8 Apr 2024. This one: 8 Apr 2024 See all 4 of this type

    35
    Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: The stability order of +1 oxidation state of GaGa, In and TlTl is Ga<In<TlGa < In < Tl. Reason RR : The inert pair effect stabilizes the lower oxidation state down the group. In the light of the above statements, choose the correct answer from the options given below:

    Tap an option to check your answer.

  3. Question 3

    Alcohols, Phenols and Ethers. This type asked 4 times: 2021 Paper 14, 26 Jul 2022, 31 Jan 2023, 5 Apr 2024. This one: 5 Apr 2024 See all 4 of this type

    48
    Given below are two statements: Statement I: Bromination of phenol in solvent with low polarity such as CHCl3CHCl_{3} or CS2CS_{2} requires Lewis acid catalyst. Statement II: The Lewis acid catalyst polarises the bromine to generate Br+Br^{+}. In the light of the above statements, choose the correct answer from the options given below:

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  4. Question 4

    The p-Block Elements. This type asked 4 times: 28 Jul 2022, 10 Apr 2023, 13 Apr 2023, 5 Apr 2024. This one: 5 Apr 2024 See all 4 of this type

    121
    Match List-I with List-II.
    List-IList-II
    (A)IClICl(I)T-shape
    (B)ICl3ICl_{3}(II)Square pyramidal
    (C)ClF5ClF_{5}(III)Pentagonal bipyramidal
    (D)IF7IF_{7}(IV)Linear
    Choose the correct answer from the options given below:

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  5. Question 5

    Classification of Elements and Periodicity. This type asked 4 times: 14 Jun 2022, 25 Jul 2022, 29 Jan 2023, 1 Feb 2024. This one: 1 Feb 2024 See all 4 of this type

    58
    Among the following oxide of pp - block elements, number of oxides having amphoteric nature is Cl2O7,CO,PbO2, N2O,NO,Al2O3,SiO2, N2O5Cl_{2}O_{7},CO,PbO_{2},{\text{ }N}_{2}O,NO,Al_{2}O_{3},SiO_{2},{\text{ }N}_{2}O_{5}, SnO2SnO_{2}