S Block Elements Question 151
Question: $ Mg_2C_3 $ reacts with water forming propyne gas $ C_3^{4-} $ ions has:
Options:
A) two sigma and two pi bonds
B) three sigma and one pi bond
C) two sigma and one pi bond
D) two sigma and three pi bonds
Show Answer
Answer:
Correct Answer: A
Solution:
[a] The structure of $ C_3^{4-} $ ion is $ \overset{-2}{\mathop{C}}=C-\overset{-2}{\mathop{C}} $ i.e, $ 2\sigma 2\pi $ bonds.
BETA
