Which of the following is not correctly matched :

Options

A. Lactic acid `CH_(3)-underset("OH")underset("| ")("C ")H-COOH`
B. Tartaric acid `{:(OH-CH-COOH),(" |"),(OH-CH-COOH):}`
C. Pivaldehyde `CH_(3)C(CH_(3))2CHO`
D. Iso octane `CH_(3)-overset(CH_(3))overset("| ")underset(CH_(3))underset("| ")("C ")-CH_(2)-underset(CH_(3))underset("| ")("C ")H-CH_(3)`

Answer

D

Explanation

Iso octane `CH_(3)-overset(CH_(3))overset("| ")underset(CH_(3))underset("| ")("C ")-CH_(2)-underset(CH_(3))underset("| ")("C ")H-CH_(3)`