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Question

In laboratory preparation of Hydrogen, H2S is removed from the obtained gas by passing it through:


A

Silver nitrate solution

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B

Lead nitrate solution

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C

Caustic potash Solution

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D

Anhydrous Calcium chloride

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Solution

The correct option is B

Lead nitrate solution


The obtained gas is passed through the Lead Nitrate solution. Which reacts with H2S and forms the precipitate of lead sulphide and HNO3.

H2S+Pb(NO3)2PbS+HNO3


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