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Day 65: JEE Mains Chemistry

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

  1. Question 1

    Organic Chemistry - Some Basic Principles and Techniques. This type asked 3 times: 5 Apr 2024, 6 Apr 2024, 22 Jan 2025. This one: 22 Jan 2025 See all 3 of this type

    45
    The incorrect statements regarding geometrical isomerism are : (A) Propene shows geometrical isomerism. (B) Trans isomer has identical atoms/groups on the opposite sides of the double bond. (C) Cis-but-2-ene has higher dipole moment than trans-but-2-ene. (D) 2-methylbut-2-ene shows two geometrical isomers. (E) Trans-isomer has lower melting point that cis isomer. Choose the CORRECT answer from the options given below :

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  2. Question 2

    Coordination Compounds. This type asked 3 times: 6 Apr 2023, 11 Apr 2023, 9 Apr 2024. This one: 9 Apr 2024 See all 3 of this type

    58
    Number of ambidentate ligands among the following is______
    NO2−,SCN−,C2O42−,NH3,CN−,SO42−,H2ONO_{2}^{-},SCN^{-},C_{2}O_{4}^{2 -},NH_{3},CN^{-},SO_{4}^{2 -},H_{2}O

  3. Question 3

    Equilibrium. This type asked 3 times: 27 Jul 2022, 31 Jan 2023, 9 Apr 2024. This one: 9 Apr 2024 See all 3 of this type

    132
    For a sparingly soluble salt AB2AB_{2}, the equilibrium concentrations of A2+A^{2 +} ions and B−B^{-}ions are 1.2×10−4M1.2 \times10^{- 4}M and 0.24×10−3M0.24 \times10^{- 3}M, respectively. The solubility product of AB2AB_{2} is:

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  4. Question 4

    The d- and f-Block Elements. This type asked 3 times: 11 Apr 2023, 1 Feb 2024, 8 Apr 2024. This one: 8 Apr 2024 See all 3 of this type

    48
    Match List I with List II
    List-I (Compound)List-II (Colour)
    A
    Fe4[Fe(CN)6]3⋅xH2OFe_{4}\left\lbrack Fe(CN)_{6} \right\rbrack_{3}\cdot xH_{2}O
    		I.Violet
    B.
    [Fe(CN)5NOS]4−\left\lbrack Fe(CN)_{5}NOS \right\rbrack^{4 -}
    		II.Blood Red
    C.
    [Fe(SCN)]2+\lbrack Fe(SCN)\rbrack^{2 +}
    		III.Prussian Blue
    D.
    (NH4)3PO4⋅12MoO3\left( NH_{4} \right)_{3}PO_{4}\cdot 12MoO_{3}
    		IV.Yellow
    Choose the correct answer from the options given below:

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  5. Question 5

    Coordination Compounds. This type asked 3 times: 6 Apr 2023, 29 Jan 2024, 6 Apr 2024. This one: 6 Apr 2024 See all 3 of this type

    138
    The correct IUPAC name of [PtBr2(PMe3)2]\left\lbrack PtBr_{2}\left( PMe_{3} \right)_{2} \right\rbrack is:

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