D-And F-Block Elements Ques 118
Question: Which of the following sulphides is yellow in colour
[CPMT 1983, 88, 2004; NCERT 1976]
Options:
A) CuS
B) CdS
C) ZnS
D) CoS
Show Answer
Answer:
Correct Answer: B
Solution:
CdS – Yellow CuS – Black ZnS – White CoS – Black