NEET Chemistry NEET PYQ-Hydrogen Its Compounds

  • question_answer
    Match the following and identify the correct option.                                     [NEET 2020]
    (a) \[CO(g)+{{H}_{2}}(g)\] (i) \[Mg{{(HC{{O}_{3}})}_{2}}\] \[+Ca{{(HC{{O}_{3}})}_{2}}\]
    (b) Temporary hardness of water (ii) An electron deficient hydride
    (c) \[{{B}_{2}}{{H}_{6}}\] (iii) Synthesis gas
    (d) \[{{H}_{2}}{{O}_{2}}\] (iv) Non-planar structure

    A)
    (a) (iii) (ii) (i) (iv)

    B)
    (b) (iii) (iv) (ii) (i)

    C)
    (c) (i) (iii) (ii) (iv)

    D)
    (d) (iii) (i) (ii) (iv)

    Correct Answer: D

    Solution :

    [d] Mixture of \[CO\] and \[{{H}_{2}}\]gases is known as water gas or synthesis gas. Temporary hardness of water is due to bicarbonates of calcium and magnesium. Diborane \[({{B}_{2}}{{H}_{6}})\]is an electron deficient hydride. \[{{H}_{2}}{{O}_{2}}\] is non-planar molecule having open book like structure.


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