Q. In $[C o (H_{2} NC H_{2} C H_{2} N H_{2})_{3}]_{2} (S O_{4})_{3}$ , the counterion is

107 162 Coordination Compounds Report Error

A

$C H, \overset{ˉ}{N} H$

B

$\overset{ˉ}{C} H_{3}$

C

$\overset{ˉ}{N} H_{2}$

D

$S O_{4}^{-}$

Solution:

Correct answer is (d) $S O_{4}^{-}$