Hydrogen and its compoundHard

Question

Which of the following gives propane on hydrolysis?

Options

A.Al₄C₃

B.Mg₄C₃

C.B₄C

D.La₄C₃

Solution

Mg₂C₃ give propyne.
Mg₂C₃ + 4H₂O → 2Mg(OH)₂ + CH₂ - C ≡ CH

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