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Frankland Halide Reaction

3 mol of reac...

Question

$3 m o l$ of _____ reacts with $2 m o l$ of phosphine to produce $1 m o l$ of mercuric phosphide.

Mercuric sulphate

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Mercuric chloride

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Mercuric phosphate

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Mercurous sulphate

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Solution

The correct option is B Mercuric chloride
Phosphine when absorbed in mercuric chloride solution gives mercuric phosphide.
$3 H g C l_{2} (a q) + 2 P H_{3} (g) \to H g_{3} P_{2} (a q) + 6 H C l (a q)$

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2 mol

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