Answer to Question #197126 in General Chemistry for Moe

Question

Which of the following statements about the bonding in ethyne, C₂H₂, is/are INCORRECT?

(i) The s and p atomic orbitals in each carbon mix to form only one sp hybrid orbital.

(ii) The pi bonds between the two carbons are formed by the end-on overlap of the unhybridized p orbitals in each C atom.

(iii) The C−H sigma bonds each result from the overlap of the s orbital of the H and the sp hybrid orbital of C.

A. (i) only

B. (ii) only

C. (iii) only

D. (i) and (ii)

E. (i), (ii) and (iii)

Answer 1

A) (i) only