Co-Ordination Compounds Question 291
Question: Complexes $ [ Co{{( NH_3 )}_5}SO_4 ]Br $ and $ [ Co{{( NH_3 )}_5}Br ]SO_4 $ can be distinguished by
Options:
A) conductance measurement
B) using $ BaCl_2 $
C) using $ AgNO_3 $
D) Both [b] and [c]
Show Answer
Answer:
Correct Answer: D
Solution:
$ [ Co{{( NH_3 )}_5}Br ]SO_4 $ gives white precipitate of $ BaSO_4 $ with $ BaCl_2(aq) $ whereas $ [ Co{{( NH_3 )}_5}SO_4 ]Br $ gives yellow precipitate $ ( AgBr ) $ with $ AgNO_3(aq) $ .