Chemistry - STEREO ISOMERISM Question with Solution | TestHub

(a) Left carbon CH₂OH $>$ CH₃ (O $>$ C); right carbon CH₃ $>$ H. The higher groups (CH₂OH and CH₃) are on the same side.

Ans. Z

(b) Left carbon Cl $>$ CH₃; right carbon OCH₃ $>$ H. The higher groups (Cl and OCH₃) are on the same side.

Ans. Z

(c) Left carbon CN $>$ C₂H₅ ((N, N, N) beats (C, H, H)); right carbon CH₂OH $>$ CH₃. The higher groups (CN and CH₂OH) are on opposite sides.

Ans. E

(d) Left carbon CO₂CH₃ $>$ CO₂H (at the oxygen of the ester (C) beats (H)); right carbon CH=CH₂ $>$ C₂H₅ ((C, C, H) beats (C, H, H)). The higher groups (CO₂CH₃ and CH=CH₂) are on the same side.

Ans. Z