• question_answer Which of the following compounds may not exist as enantiomers [CPMT 1987] A) $C{{H}_{3}}CH(OH)C{{O}_{2}}H$ B) $C{{H}_{3}}C{{H}_{2}}CH(C{{H}_{3}})C{{H}_{2}}OH$ C) ${{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{3}}$ D) ${{C}_{6}}{{H}_{5}}CHClC{{H}_{3}}$

In ${{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{3}}$ chiral centre is absent.