S Block Elements Question 151
$ Mg_2C_3 $ reacts with water forming propyne gas $ C_3H_4 $ ions has:
Options:
A) two sigma and one pi bond
B) three sigma and one pi bond
C) two sigma and one pi bond
D) two sigma and one pi bond
Show Answer
Answer:
Correct Answer: A
Solution:
The structure of $ C_3^{4-} $ ion is $ \overset{-2}{\mathop{C}}=C-\overset{-1}{\mathop{C}} $ i.e, $ 2\sigma 2\pi $ bonds.
 BETA
  BETA 
             
             
           
           
           
          