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Day 136: JEE Mains Chemistry

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

  1. Question 1

    Electrochemistry. Asked once: 31 Jan 2024 (same type asked 5 times) See all 5 of this type

    60
    One Faraday of electricity liberates x×10−1x \times10^{- 1} gram atom of copper from copper sulphate, xx is _____ .

  2. Question 2

    Some Basic Concepts of Chemistry. Asked once: 30 Jan 2024 (same type asked 5 times) See all 5 of this type

    147
    Total number of species from the following which can undergo disproportionation reaction ______________
    H2O2,ClO3−,P4,Cl2,Ag,Cu+1, F2,NO2, K+H_{2}O_{2},ClO_{3}^{-},P_{4},Cl_{2},Ag,Cu^{+ 1},{\text{ }F}_{2},NO_{2},{\text{ }K}^{+}

  3. Question 3

    Some Basic Concepts of Chemistry. Asked once: 30 Jan 2024 (same type asked 5 times) See all 5 of this type

    59
    2MnO4−+bI−+cH2O→xI2+yMnO2+zOH−2MnO_{4}^{-}+bI^{-}+cH_{2}O \rightarrow xI_{2}+yMnO_{2}+zOH^{-} If the above equation is balanced with integer coefficients, the value of zz is ___

  4. Question 4

    Coordination Compounds. Asked once: 29 Jan 2024 (same type asked 5 times) See all 5 of this type

    32
    Match List I with List II LIST- I LIST-II (Substances) (Element present) (A) Ziegler catalyst (I) Rhodium (B) Blood Pigment (II) Cobalt (C) Wilkinson catalyst (III) IRON (D) Vitamin B12B_{12} (IV) Titanium Choose the correct answer from the options given below:

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  5. Question 5

    Coordination Compounds. Asked once: 29 Jan 2024 (same type asked 5 times) See all 5 of this type

    45
    In which one of the following metal carbonyls, COCO forms a bridge between metal atoms?

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