Question

From the above setup answer the following :

Why could you not use this setup for preparing $H_2$ if the generator contained $Z{n}^{+}$ vinegar?

• A. Hydrogen would not be produced
• B. The setup of the generator is improper
• C. The generator must be heated with a burner
• D. The delivery tube setup is wrong
• E. The gas cannot be collected over water

Answer 1

The correct option is B The setup of the generator is improper

The setup of the generator is improper.

The lower end of the dropping funnel is not dipping in the solution.

So hydrogen gas obtained can escape from the dropping funnel.

Hence option B is correct.