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Standard XII

Chemistry

Introduction to p Block Elements

A substance A...

Question

A substance (A) is water insoluble, on bubbling $C l_{2}$ through its suspension in water, it produces a coloured aqueous solution forming a single product. (A) may be :

B i O C l

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C u C l

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H g_{2} C l_{2}

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All of these

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Solution

The correct option is B $C u C l$
(A) will not be oxidized by $C l_{2}$
(B) and (C) will be oxidized, but only (C) will give colourless product $H g C l_{2}$ .
$∴$ (B) is the answer.
$2 C u C l (s) + C l_{2} (g) \to 2 C u C l_{2} (a q .)$
White coloured

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A substance (A) is water insoluble, on bubbling Cl2 through its suspension in water, it produces a coloured aqueous solution forming a single product. (A) may be :

The correct option is B CuCl(A) will not be oxidized by Cl2(B) and (C) will be oxidized, but only (C) will give colourless product HgCl2.∴ (B) is the answer.2CuCl(s)+Cl2(g)→2CuCl2(aq.)White coloured

A substance (A) is water insoluble, on bubbling $C l_{2}$ through its suspension in water, it produces a coloured aqueous solution forming a single product. (A) may be :

The correct option is B $C u C l$
(A) will not be oxidized by $C l_{2}$
(B) and (C) will be oxidized, but only (C) will give colourless product $H g C l_{2}$ .
$∴$ (B) is the answer.
$2 C u C l (s) + C l_{2} (g) \to 2 C u C l_{2} (a q .)$
White coloured