Question

vitamin c (ascorbic acid) is an essential nutrient and antioxidant. it is present in many fruits and vegetables.
the lewis structure of a vitamin c molecule is shown below. one of the bonds has been replaced by a question mark (?).
complete the statement.
the missing bond in the vitamin c molecule is a ______.
choose 1 answer:
a single bond
b double bond
c triple bond

Explanation:

Carbon typically forms 4 bonds. In the given Lewis - structure of vitamin C, the carbon atom in question already has 3 visible bonds. To complete its octet and satisfy the valency of carbon, it needs one more bond. A single bond is required.

Answer:

A. single bond