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Reactivity with Halogens and Hydrogen (Group 2)

On reaction o...

Question

On reaction of sodium hydroxide with Iron(III) ion gives the coloured precipitate. Tell the colour .

A

Blue

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B

Pink

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C

Red

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D

Brown

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Solution

The correct option is D Brown
Iron(lll) ions $F e^{3 +}$ react with sodium hydroxide to form brown coloured precipitates of Iron(lll) hydroxide.
$F e^{3 +} + 3 O H^{-} \to F e (O H)_{3} (s)$

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