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Q. Which of the following compounds on hydrolysis gives propyne?

NTA AbhyasNTA Abhyas 2022

Solution:

$Mg _2 C _3+4 H _2 O \rightarrow C _3 H _4+2 Mg ( OH )_2$
Calcium carbide gives acetylene while beryllium and aluminium carbide gives methane on hydrolysis.