Question Detail
Question
Which of the following compounds have planar molecules?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Formaldehyde (sp2 carbonyl carbon) is planar. 1,3-butadiene has all sp2 carbons and is planar. Ethyl alcohol and diethyl ether have sp3 hybridized carbons and are not planar.
Hint
Consider the hybridization of all atoms in the molecule.