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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
Ammonium hydroxide is added to Iron(III) sulphate solution.
  • A
    Light blue of Ferric chloride is formed at the product side.
  • B
    Reddish brown colour precipitate of ferric hydroxide and NaCl is formed at the product side
  • ✓
    Ferric oxide is formed at the product side.
  • D
    Light Brown crystals of ferric chloride is formed at the end of product side
✓

Answer

Correct option: C.
Ferric oxide is formed at the product side.
(c) Ferric oxide is formed at the product side.
Explanation :
When ammonium hydroxide $\left( NH _4 OH \right)$ is added to iron(III) sulphate $\left( Fe _2\left( SO _4\right)_3\right)$ solution, a precipitation reaction occurs, and reddish-brown precipitate ferric oxide $\left( Fe _2 O _3\right)$ is formed. The chemical reaction can be represented as :
Image

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