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Analytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryAnalytical Chemistry Uses of Ammonium Hydroxide and Sodium Hydroxide1 Mark
MCQ
Find the odd one with reason (note: valency is not a criterion) :
  • A
    $Al ( OH )_3$
  • B
    $Pb ( OH )_2$
  • ✓
    $Mg ( OH )_2$
  • D
    $Zn ( OH )_2$
✓

Answer

Correct option: C.
$Mg ( OH )_2$
(c) $Mg ( OH )_2$
Explanation : Generally, the metallic hydroxides are basic in nature. Magnesium hydroxide, also called as Milk of Magnesia, is a basic compound. On the other hand, all other given compounds are amphoteric hydroxides, i.e., it can act as an acid and as well as a base.

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