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प्रश्न
Which ofthe following precipitates is of red brown colour?
विकल्प
Fe(OH)3
Cu(OH)3
Fe(OH)2
Cu(OH)2
MCQ
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उत्तर
Fe(OH)3
Explanation:
Iron(III) hydroxide [Fe(OH3)] forms a characteristic reddish-brown precipitate. Iron(II) hydroxide [Fe(OH)2] is dirty green, and copper hydroxide [Cu(OH)2] is pale blue.
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