A) \[A{{l}_{4}}{{C}_{3}}\]
B) \[M{{g}_{2}}{{C}_{3}}\]
C) \[{{B}_{4}}C\]
D) \[L{{a}_{4}}{{C}_{3}}\]
Correct Answer: B
Solution :
Magnesium carbide on hydrolysis gives propyne. \[M{{g}_{2}}{{C}_{3}}+4{{H}_{2}}O\xrightarrow{{}}\underset{\Pr opyne}{\mathop{C{{H}_{3}}C\equiv CH}}\,+2Mg{{(OH)}_{2}}\] \[A{{l}_{4}}{{C}_{3}}+12{{H}_{2}}O\xrightarrow{{}}\underset{Methane}{\mathop{3C{{H}_{4}}}}\,\uparrow +4Al{{(OH)}_{3}}\]
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