PYQ Vault

Day 485: JEE Mains Chemistry

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

  1. Question 1

    Hydrocarbons. Asked once: 23 Jan 2025

    38
    The correct stability order of the following species/molecules is : p q r

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  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 4 Apr 2024

    147
    The total number of 'sigma' and 'Pi' bonds in 2-oxohex-4-ynoic acid is ___ .
  3. Question 3

    Organic Reaction Mechanisms. Asked once: 29 Jan 2023

    48
    Match List I with List II. Choose the correct answer from the options given below:

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  4. Question 4

    Solutions. Asked once: 29 Jan 2023

    131
    Choose the correct answer from the options given below :

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  5. Question 5

    Some Basic Concepts of Chemistry. Asked once: 2021 Paper 19

    60
    A chloro compound "A". (i) forms aldehydes on ozonolysis followed by the hydrolysis. (ii) when vaporized completely 1.53 g1.53\text{ }g of AA, gives 448 mL448\text{ }mL of vapour at STP. The number of carbon atoms in a molecule of compound AA is