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Day 429: JEE Mains Chemistry

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

  1. Question 1

    Haloalkanes and Haloarenes. Asked once: 4 Apr 2025

    106
    Given below are two statements : Statement (I) : Alcohols are formed when alkyl chlorides are treated with aqueous potassium hydroxide by elimination reaction. Statement (II) : In alcoholic potassium hydroxide, alkyl chlorides form alkenes by abstracting the hydrogen from the β\beta-carbon. In the light of the above statements, choose the most appropriate answer from the options given below:

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  2. Question 2

    Hydrocarbons. Asked once: 28 Jan 2026 S2

    33
    Which of the following reaction is NOT correctly represented?

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  3. Question 3

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 21 Jan 2026 S2

    30
    By usual analysis, 1.00 g of compound (X)(X) gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound (X)(X) is: (nearest integer) (Given, molar mass in gmol−1:O=16,Mg=24gmol^{- 1}:O = 16,Mg = 24, P=31P = 31 )

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  4. Question 4

    Organic Reaction Mechanisms. Asked once: 4 Apr 2024

    52
    The number of correct reaction(s) among the following is ____ . (A) (B) (C) (D)

  5. Question 5

    Solutions. Asked once: 29 Jan 2025

    107
    Given below are two statements : Statement (I): NaCl is added to the ice at 0∘C0^{\circ}C, present in the ice cream box to prevent the melting of ice cream. Statement (II) : On addition of NaCl to ice at 0∘C0^{\circ}C, there is a depression in freezing point. In the light of the above statements, choose the correct answer from the options given below :

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