PYQ Vault

Day 477: JEE Mains Chemistry

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

  1. Question 1

    Haloalkanes and Haloarenes. Asked once: 4 Apr 2024

    49
    Identify the correct set of reagents or reaction conditions ' XX ' and ' YY ' in the following set of transformation.

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  2. Question 2

    Hydrocarbons. Asked once: 24 Jan 2025

    27
    Following are the four molecules "P", "Q", "R" and "S". Which one among the four molecules will react with H−Br(aq)H - Br(aq) at the fastest rate ?

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  3. Question 3

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 9 Apr 2024

    53
    How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects?
  4. Question 4

    Organic Reaction Mechanisms. Asked once: 30 Jan 2023

    49
    Match List I with List II Choose the correct answer from the options given below:

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  5. Question 5

    Solutions. Asked once: 8 Apr 2023

    146
    If the boiling points of two solvents XX and YY (having same molecular weights) are in the ratio 2 :1:1 and their enthalpy of vaporizations are in the ratio 1:21:2, then the boiling point elevation constant of XX is m‾\underline{m} times the boiling point elevation constant of YY. The value of mm is ___(Nearest integer)