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



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