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Day 566: JEE Mains Chemistry

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

  1. Question 1

    Hydrocarbons. Asked once: 25 Jul 2022

    43
    A compound 'A' on reaction with ' XX ' and ' YY ' produces the same major product but different by-products 'a' and ' bb '. Oxidation of 'a' gives a substance produced by ants. ' XX ' and ' YY ' respectively are:

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  2. Question 2

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 2021 Paper 12

    22
    What is added with HNO3HNO_{3} in carius method?

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  3. Question 3

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 2021 Paper 24

    36
    In the following sequence of reactions a compound A, (molecular formula C6H12O2C_{6}H_{12}O_{2} ) with a straight chain structure gives a C4C_{4} carboxylic acid. AA is : A→LiAlH4H3O+B→ Oxidation C4A\underset{H_{3}O^{+}}{\overset{LiAlH_{4}}{\rightarrow}}B\overset{\text{~Oxidation~}}{\rightarrow}C_{4} - carboxylic acid

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  4. Question 4

    Hydrocarbons. Asked once: 29 Jun 2022

    43
    Two isomers ' AA ' and ' BB ' with molecular formula C4H8C_{4}H_{8} give different products on oxidation with KMnO4KMnO_{4} in acidic medium. Isomer 'A' on reaction with KMnO4/H+KMnO_{4}/H^{+}results in effervescence of a gas and gives ketone. The compound ' AA ' is

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  5. Question 5

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 2021 Paper 11

    35
    Which of the following carbocation can show resonance?

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