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CHEMISTRY

JAMB 2006 - Question 13

Chemistry 2006 JAMB Past Questions - Question 13: The sulphide which is insoluble in dilute hydrochloric acid is

Choose the correct answers from the options given.

The sulphide which is insoluble in dilute hydrochloric acid is

A: FeS

B: CuS

C: ZnS

D: Na2S

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Correct Answer

Explanation

Among the options provided, FeS (iron(II) sulfide) is insoluble in dilute hydrochloric acid. When FeS is treated with dilute hydrochloric acid, it does not readily dissolve, and no significant reaction occurs. The other options (CuS, ZnS, Na2S) would generally dissolve or react in dilute hydrochloric acid.