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Day 327: JEE Mains Chemistry

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

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 30 Jan 2024 (same type asked 7 times) See all 7 of this type

    32
    This reduction reaction is known as:

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  2. Question 2

    Biomolecules. Asked once: 2021 Paper 22 (same type asked 7 times) See all 7 of this type

    35
    Which one of the following compounds contains β−C1−C4\beta-C_{1}-C_{4} glycosidic linkage?

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  3. Question 3

    Haloalkanes and Haloarenes. Asked once: 29 Jan 2024 (same type asked 7 times) See all 7 of this type

    137
    Alkyl halide is converted into alkyl isocyanide by reaction with

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  4. Question 4

    Organic Chemistry - Some Basic Principles and Techniques. Asked once: 1 Feb 2024 (same type asked 7 times) See all 7 of this type

    51
    Number of optical isomers possible for 2 - chlorobutane .......

  5. Question 5

    Some Basic Concepts of Chemistry. Asked once: 1 Feb 2023 (same type asked 7 times) See all 7 of this type

    150
    The molality of a 10%(v/v)10\%(v/v) solution of di-bromine solution in CCl4CCl_{4} (carbon tetrachloride) is ' xx '. x=x =_______×10−2 m\times10^{- 2}\text{ }m. (Nearest integer) [Given: molar mass of Br2=160 g mol−1Br_{2}= 160\text{ }g{\text{ }mol}^{- 1}
     atomic mass of C=12 g mol−1 atomic mass of Cl=35.5 g mol−1 density of dibromine =3.2 g cm−3 density of  CCl4=1.6 g cm−3]\begin{matrix} & \text{~atomic mass of~}C = 12\text{ }g{\text{ }mol}^{- 1} \\ & \text{~atomic mass of~}Cl = 35.5\text{ }g{\text{ }mol}^{- 1} \\ & \text{~density of dibromine~}= 3.2\text{ }g{\text{ }cm}^{- 3} \\ & \text{~density of~}\left. \ CCl_{4}= 1.6\text{ }g{\text{ }cm}^{- 3} \right\rbrack \end{matrix}