Concept:Some acids are recognized as vitamins because they are essential nutrients required by the body. Ascorbic acid is the chemical name for vitamin C.Explanation:Ascorbic acid is also known as vitamin C. It is found in citrus fruits, Indian gooseberry, tomatoes, and many other foods. The other acids listed are not vitamins. Formic acid comes from ants. Maleic acid is found in fruits like apples. Palmitic acid is a fatty acid in palm oil and dairy products. Only ascorbic acid serves as a vitamin in the human diet.Answer:Ascorbic acid (Option B)