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Day 459: JEE Mains Chemistry

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

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 9 Apr 2024

    133
    Major product of the following reaction is

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  2. Question 2

    Amines. Asked once: 28 Jan 2025

    49
    Consider the following sequence of reactions : →(i) Mg , dry ether(ii) CO2,H3O+ (iii)NH3,Δ\underset{\begin{array}{r} {\left( ii \right)\ CO}_{2},H_{3}O^{+ \ } \\ (iii)NH_{3},\Delta \end{array}}{\overset{\left( i \right)\ Mg\ ,\ dry\ ether}{\rightarrow}} A→Br2, NaOH\overset{Br_{2},\ NaOH}{\rightarrow}B 11.25 mg of chlorobenzene will produce_____\_\_\_\_\_ ×10−1mg\times10^{- 1}mg of product B . (Consider the reactions result in complete conversion.) [Given molar mass of C,H,O,NC,H,O,N and Cl as 12,1 , 16,14 and 35.5 g mol−135.5\text{ }g{\text{ }mol}^{- 1} respectively]

  3. Question 3

    Biomolecules. Asked once: 8 Apr 2023

    36
    Sulphur (S)(S) containing amino acids from the following are: (A) isoleucine (B) cysteine (C) lysine (D) methionine (E) glutamic acid

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  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 8 Apr 2023

    124
    Arrange the following gases in increasing order of van der Waals constant 'a' (A) ArAr (B) CH4CH_{4} (C) H2OH_{2}O (D) C6H6C_{6}H_{6} Choose the correct option from the following: -

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  5. Question 5

    Chemical Kinetics. Asked once: 22 Jan 2025

    27
    Which of the following statement is not true for radioactive decay?

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