Question

identify the gas a in the following experiment.
nitrogen
Hydrogen
oxygen
carbon dioxide


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Answer 1

The gas in the following experiment is Hydrogen.

The experimental setup

• In the given experiment, we can observe the following:

1. Zinc granules and dilute sulfuric acid have been taken in a test tube.
2. The gas evolved is bubbled through a soap solution through a delivery tube.
3. The gas extinguishes a matchstick with a pop sound held over the soap solution.

Working of the Experiment

• In the experiment shown the zinc granules react with dilute sulfuric acid as:

                   Zn(s) + H₂SO₄ (dil) → ZnSO₄(aq)+ H₂(g)

• This hydrogen gas is bubbled through the soap solution.
• Hydrogen extinguishes a matchstick with a pop sound.

Therefore, the correct option is Hydrogen.