Analytical Chemistry Question 69
Question: When $ H_2S $ gas is passed through the HCl containing aqueous solutions of $ CuCl_2 $ , $ HgCl_2 $ , $ BiCl_3 $ and $ CoCl_2 $ , which does not precipitate out
[MP PMT 2002]
Options:
A) $ CuS $
B) $ HgS $
C) $ Bi_2S_3 $
D) $ CoS $
Show Answer
Answer:
Correct Answer: D
Solution:
Cobalt sulphide does not ppt. in second group.
BETA
