PYQ Vault

Day 447: JEE Mains Chemistry

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

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 28 Jan 2025

    37
    Both acetaldehyde and acetone (individually) undergo which of the following reactions? (A) Iodoform Reaction (B) Cannizaro Reaction (C) Aldol condensation (D) Tollen's Test (E) Clemmensen Reduction Choose the correct answer from the options given below :

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  2. Question 2

    Amines. Asked once: 3 Apr 2025

    38
    In the following reactions, which one is NOT correct?

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  3. Question 3

    Biomolecules. Asked once: 13 Apr 2023

    122
    The naturally occurring amino acid that contains only one basic functional group in its chemical structure is

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  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 1 Feb 2024

    44
    Arrange the bonds in order of increasing ionic character in the molecules. LiF,K2O,N2,SO2LiF,K_{2}O,N_{2},SO_{2} and ClF3ClF_{3}.

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  5. Question 5

    Chemical Kinetics. Asked once: 24 Jan 2025

    102
    Given below are two statements : Statement (I): The plot of t1/2t_{1/2} against [R]0[R]_{0} in the first figure is valid for a first order reaction. Statement (II): The plot of log⁡[R][R]0\log\frac{[R]}{[R]_{0}} against time in the second figure, with slope =k2.303=\frac{k}{2.303}, is valid for a first order reaction. In the light of the above statements, choose the correct answer from the options given below :

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