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Day 101: JEE Mains Chemistry

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

  1. Question 1

    The d- and f-Block Elements. This type asked 2 times: 10 Apr 2023, 5 Apr 2024. This one: 5 Apr 2024 See all 2 of this type

    122
    While preparing crystals of Mohr's salt, dil. H2SO4H_{2}SO_{4} is added to a mixture of ferrous sulphate and ammonium sulphate, before dissolving this mixture in water, dil. H2SO4H_{2}SO_{4} is added here to:

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  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 2 times: 29 Jan 2023, 4 Apr 2024. This one: 4 Apr 2024 See all 2 of this type

    43
    Which of the following nitrogen containing compound does not give Lassaigne's test?

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  3. Question 3

    Equilibrium. This type asked 2 times: 2021 Paper 26, 1 Feb 2024. This one: 1 Feb 2024 See all 2 of this type

    60
    KaK_{a} for CH3COOHCH_{3}COOH is 1.8×10−51.8 \times10^{- 5} and KbK_{b} for NH4OHNH_{4}OH is 1.8×10−51.8 \times10^{- 5}. The pHpH of ammonium acetate solution will be

  4. Question 4

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 2 times: 26 Jul 2022, 1 Feb 2024. This one: 1 Feb 2024 See all 2 of this type

    141
    Total number of isomeric compounds (including stereoisomers) formed by monochlorination of 2-methylbutane is _______ .

  5. Question 5

    The d- and f-Block Elements. This type asked 2 times: 30 Jan 2024, 1 Feb 2024. This one: 1 Feb 2024 See all 2 of this type

    127
    Which of the following compounds show colour due to d-d transition?

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