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Question
The colour of the precipitate formed after the addition of a small amount of sodium hydroxide solution to an aqueous solution of ferric chloride is ______.
Options
gelatinous white
pale blue
reddish brown
dirty green
MCQ
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Solution
The colour of the precipitate formed after the addition of a small amount of sodium hydroxide solution to an aqueous solution of ferric chloride is reddish brown.
Explanation:
Ferric chloride reacts with sodium hydroxide to form ferric hydroxide [Fe(OH)3], which is a reddish-brown precipitate.
\[\ce{FeCl3 + 3NaOH -> Fe(OH)3 ↓ + 3NaCl}\]
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