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Day 555: 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: 27 Jul 2022

    59
    Optical activity of an enantiomeric mixture is +12.6∘+12.6^{\circ} and the specific rotation of (+)\left( + \right) isomer is +30∘+30^{\circ}. The optical purity is_ %\%

  2. Question 2

    The p-Block Elements. Asked once: 2021 Paper 10

    31
    The oxidation states of nitrogen in NO,NO2NO,NO_{2}, N2ON_{2}O and NO3−NO_{3}^{-}are in the order of :

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  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 26 Jul 2022

    44
    The products formed in the following reaction, AA and BB are

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  4. Question 4

    Amines. Asked once: 2021 Paper 19

    39
    The major product in the above reaction is:

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  5. Question 5

    Hydrocarbons. Asked once: 30 Jan 2023

    37
    The major products ' AA ' and ' BB ', respectively, are

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