Question

The hybridization state of $C$ atom in butendioic acid is:

• A. $s{p}^2$
• B. $s{p}^3$
• C. both A and B
• D. $sp$

Answer 1

Answer: (A)

$s{p}^2$

In this structure, all C atoms contain three sigma bonds and one pi bond, therefore, all C-atoms are $s{p}^2$-hybridised.