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Day 443: JEE Mains Chemistry

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

  1. Question 1

    Aldehydes, Ketones and Carboxylic Acids. Asked once: 2 Apr 2025

    36
    Given below are two statements : Statement (I) : Vanillin will react with NaOH and also with Tollen's reagent. Statement (II) : Vanillin will undergo self aldol condensation very easily. In the light of the above statements, choose the most appropriate answer from the options given below :

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  2. Question 2

    Amines. Asked once: 21 Jan 2026 S1

    49
    Consider the following reaction sequence The percentage of nitrogen in product ' T ' formed is ____\_\_\_\_ %. (Nearest integer) (Given molar mass in gmol−1H:1,C:12, N:14,O:16g{mol}^{- 1}H:1,C:12,\text{ }N:14,O:16 )

  3. Question 3

    Biomolecules. Asked once: 15 Apr 2023

    44
    Which is not true for arginine?

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  4. Question 4

    Chemical Bonding and Molecular Structure. Asked once: 6 Apr 2024

    36
    Match List I with List II:
    LIST I (Hybridization)LIST II (Orientation in space)
    A.
    sp3sp^{3}
    		I.Trigonal bipyramidal
    B.
    dsp2dsp^{2}
    		II.Octahedral
    C.
    sp3 dsp^{3}\text{ }d
    		III.Tetrahedral
    D.
    sp3 d2sp^{3}{\text{ }d}^{2}
    		IV.Square planar
    Choose the correct answer from the options given below:

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  5. Question 5

    Chemical Kinetics. Asked once: 28 Jan 2025

    115
    For bacterial growth in a cell culture, growth law is very similar to the law of radioactive decay. Which of the following graphs is most suitable to represent bacterial colony growth?

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