PYQ Vault

Day 556: JEE Mains Chemistry

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

  1. Question 1

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 26 Jul 2022

    41
    Which technique among the following, is most appropriate in separation of a mixture of 100mg100mg of p-nitrophenol and picric acid?

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  2. Question 2

    The p-Block Elements. Asked once: 2021 Paper 7

    38
    The absolute value of the electron gain enthalpy of halogens satisfies:

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  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 25 Jul 2022

    45
    Which one of the following reactions does not represent correct combination of substrate and product under the given conditions?

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  4. Question 4

    Amines. Asked once: 2021 Paper 17

    48
    What is AA in the following reaction?

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  5. Question 5

    Hydrocarbons. Asked once: 24 Jan 2023

    134
    Given below are two statements, one is labelled as Assertion AA and the other is labelled as Reason RR Assertion: Benzene is more stable than hypothetical cyclohexatriene Reason: The delocalized π\pi electron cloud is attracted more strongly by nuclei of carbon atoms. In the light of the above statements, choose the correct answer from the options given below:

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