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Day 100: JEE Mains Chemistry

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

  1. Question 1

    Haloalkanes and Haloarenes. This type asked 2 times: 1 Feb 2024, 6 Apr 2024. This one: 6 Apr 2024 See all 2 of this type

    49
    Match List I with List II :
    LIST I (Compound)LIST II (Uses)
    A.IodoformI.Fire extinguisher
    B.Carbon tetrachlorideII.Insecticide
    C.CFCIII.Antiseptic
    D.DDTIV.Refrigerants
    Choose the correct answer from the options given below:

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  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 2 times: 11 Apr 2023, 6 Apr 2024. This one: 6 Apr 2024 See all 2 of this type

    145
    Number of carbocation from the following that are not stabilized by hyperconjugation is.______ .

  3. Question 3

    Amines. This type asked 2 times: 4 Apr 2024, 5 Apr 2024. This one: 5 Apr 2024 See all 2 of this type

    143
    XX g of ethanamine was subjected to reaction with NaNO2/HClNaNO_{2}/HCl followed by hydrolysis to liberate N2N_{2} and HClHCl. The HClHCl generated was completely neutralised by 0.2 moles of NaOHNaOH. XX is _____ g.

  4. Question 4

    Biomolecules. This type asked 2 times: 2021 Paper 11, 5 Apr 2024. This one: 5 Apr 2024 See all 2 of this type

    45
    Which of the following gives a positive test with ninhydrin?

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  5. Question 5

    Some Basic Concepts of Chemistry. This type asked 2 times: 4 Apr 2024, 5 Apr 2024. This one: 5 Apr 2024 See all 2 of this type

    31
    The incorrect postulates of the Dalton's atomic theory are: (A) Atoms of different elements differ in mass (B) Matter consists of divisible atoms. (C) Compounds are formed when atoms of different element combine in a fixed ratio. (D) All the atoms of given element have different properties including mass. (E) Chemical reactions involve reorganisation of atoms. Choose the correct answer from the options given below:

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