Question

How is hydrogen sulphide gas collected after preparation ?​

Answer 1

Answer:

Hydrogen sulphide gas after preparation is collected in a bottle filled with water, the gas then gets absorbed in water and subsequently gets stored for reactions.

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Answer 2

Answer:

Hydrogen sulfide is usually evolved from iron sulfide, which is broken into small lumps and then treated with dilute sulfuric or hydrochloric acid. The iron sulfide is placed in a Kipp's apparatus and the hydrogen sulfide gas is generated by the action of dilute sulfuric or hydrochloric acids.