Analytical Chemistry Question 84
Question: A black sulphide is formed by the action of $ H_2S $ on
[IIT 1978]
Options:
A) Cupric chloride
B) Cadmium chloride
C) Zinc chloride
D) Sodium chloride
Show Answer
Answer:
Correct Answer: A
Solution:
$ CuCl_2+H_2S\to \underset{\text{(Black ppt}\text{.)}}{\mathop{CuS}}+2HCl $