PYQ Vault

Day 492: JEE Mains Chemistry

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

  1. Question 1

    Haloalkanes and Haloarenes. Asked once: 31 Jan 2024

    123
    Identify AA and BB in the following reaction sequence.

    Tap an option to check your answer.

  2. Question 2

    Hydrocarbons. Asked once: 22 Jan 2025

    120
    The alkane from below having two secondary hydrogens is :

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  3. Question 3

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

    150
    Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and π\pi electrons is________
  4. Question 4

    Organic Reaction Mechanisms. Asked once: 25 Jan 2023

    150
    Number of compounds giving (i) red colouration with ceric ammonium nitrate and also (ii) positive iodoform test from the following is
  5. Question 5

    Solutions. Asked once: 25 Jan 2023

    54
    The osmotic pressure of solutions of PVC in cyclohexanone at 300 K300\text{ }K are plotted on the graph. The molar mass of PVC is ____ g mol−1g\text{ }mol^{- 1} (Nearest integer) (Given: R=0.083 L atm K−1 mol−1R = 0.083\text{ }L\text{ }atm{\text{ }K}^{- 1}{\text{ }mol}^{- 1} )