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.



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