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NEET-XII-Chemistry

Previous Year Paper year:2017

with Solutions - page 6
Qstn# 83 Prvs-QstnNext-Qstn
  • #83
    Which of the following is an amphoteric
    hydroxide?
    (1) ``Sr(OH)_2``
    (2)`` Ca(OH)_2``
    (3) ``Mg(OH)_2``
    (4) ``Be(OH)_2``
    digAnsr:   4
    Ans : ( 4 )
    Sol. Be(OH)
    2
    amphoteric in nature, since it can
    react both with acid and base
    Be(OH)
    2
    + 2HCl  BeCl
    2
    + 2H
    2
    O
    Be(OH)
    2
    + 2NaOH  Na
    2
    [Be(OH)
    4
    ]