Question

identify arrows pointing to bonding electrons. a, b, d complete identify arrows pointing to nonbonding electrons. c complete identify arrows pointing to structures containing sigma bonds. a, b, d complete identify arrows pointing to structures containing pi bonds. done a a, b a, b, d c d

Explanation:

Pi - bonds are present in double or triple bonds. In the given molecule (formic acid), the carbon - oxygen double bond has one sigma bond and one pi - bond. Arrow 'a' points to the carbon - oxygen double bond which contains a pi - bond.

Answer:

a