P-Block Elements Ques 43
Question: Which of the following gives propyne on hydrolysis
[AIIMS 2005]
Options:
A) $ Al_4C_3 $
B) $ Mg_2C_3 $
C) $ B_4C $
D) $ La_4C_3 $
Show Answer
Answer:
Correct Answer: B
Solution:
Propyne can be prepared by the hydrolysis of magnesium carbide. $Mg_2C_3 + 4H_2O \rightarrow$ $CH_3C \equiv CH + 2Mg(OH)_2$