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When potassium ferrocyanide crystals are...

When potassium ferrocyanide crystals are heated with concentrated sulphuric acid, the gas evolved is

A

Ammonia

B

Sulphurdioxide

C

Carbon dioxide

D

Carbon monoxide

Text Solution

Verified by Experts

The correct Answer is:
D
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
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  14. On heating which of the following release CO(2) most easily ?

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  18. When sodium is heated with moist air, then the product obtained is

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