Q. According to $C I P$ sequence rule, the correct arrangement of priority is -

1982 253 Organic Chemistry – Some Basic Principles and Techniques Report Error

A

$- O H > - C H_{2} O H > - C H O > - COO H$

B

$- O H > - COO H > - C H O > - C H_{2} O H$

C

$- COO H > - O H - C H O > - C H_{2} O H$

D

$- COO H > - C H O > - C H_{2} O H > - O H$

Solution:

Hint- Atomic number