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Action of Water on Calcium Carbide

A metallic ca...

Question

A metallic carbide on treatment with water gives a colourless gas which burns readily in air and which gives a precipitate with ammonical silver nitrate solution. Gas evolved is

A

Methane

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B

Ethane

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C

Acetylene

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D

Ethylene

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Solution

The correct option is C Acetylene
$C a C_{2} + 2 H_{2} O \to C a (O H)_{2} + C_{2} H_{2} C H \equiv C H + 2 [A g (N H_{3})_{2}] O H \to A g - C \equiv C - A g + 4 N H_{3} + 2 H_{2} O W h i t e p p t$ .

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