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Reactivity with Halogens and Hydrogen (Group 2)

On reaction o...

Question

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

A

Dark Green

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B

Pink

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C

Red

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D

White

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Solution

The correct option is A Dark Green
Iron(ll) ions $F e^{2 +}$ react with sodium hydroxide to form green coloured precipitates of iron(ll) hydroxide.
$F e^{2 +} + 2 O H^{-} \to F e (O H)_{2} (s)$

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