Which one of the following compounds gives methane on treatment with water?

A l_{4} C_{3}

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C a C_{2}

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SiC

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Solution

The correct option is C $A l_{4} C_{3}$
$A l_{4} C_{3}$ gives methane on treatment with water
$A l_{4} C_{3} + 12 H_{2} O \to 4 A l (O H)_{3} + 3 C H_{4}$ .
Hence option A is correct.

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