Question

Which of the following statement is correct for ethyne molecule?

• A. Electron cloud between two $C$-atoms is cylindrically symmetrical
• B. It a non-linear molecule
• C. It has one $\pi$-bond
• D. Ethyne molecule consists of two $C - C \sigma$-bonds

Answer 1

Answer: (A)

Statement (a) is correct, while the other statements are incorrect.
Corrected form are as follows :
(b) Ethyne is a linear molecule.
(c) Ethyne has two $\pi$ bonds.
(d) Ethyne molecule consists of one $C - C \sigma$ bond.