The correct decreasing order of priority of functional groups in … - Vidyadip

MCQ

The correct decreasing order of priority of functional groups in naming an organic compound as per $IUPAC$ system of nomenclature is.

A
$- COOH >- CONH _{2}>- COCl >- CHO$
✓
$- SO _{3} H >- COCl >- CONH _{2}>- CN$
C
$- COOR >- COCl >- NH _{2}> C = O$
D
$- COOH >- COOR >- CONH _{2}>- COCl$

✓

Answer

Correct option: B.

$- SO _{3} H >- COCl >- CONH _{2}>- CN$

b
$- SO _{3} H >- COCl >- CONH { }_{2}>- CN$

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