While assigning R, S configuration the correct order of priority … - Vidyadip

MCQ

While assigning $R, S$ configuration the correct order of priority of groups attached to chiral carbon atom is

A
$CONH _2> COCH _3> CH _2 OH > CHO$
✓
$CONH _2> COCH _3> CHO > CH _2 OH$
C
$COCH _3> CONH _2> CHO > CH _2 OH$
D
$CHO > CH _2 OH > COCH _3> CONH _2$

✓

Answer

Correct option: B.

$CONH _2> COCH _3> CHO > CH _2 OH$

(b) : The order of priority is
$
CONH _2> COCH _3> CHO > CH _2 OH
$

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