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21 votes
When zinc reacts with hydrochloric acid, it produces hydrogen gas. As the reaction proceeds, why does the rate of production of hydrogen gas decrease?

The concentration of hydrogen gas decreases.
The concentration of the reactants decreases.
The hydrogen gas formed inhibits the reaction.
The hydrogen gas also reacts with the zinc metal.

asked
User HuBeZa
by
7.9k points

1 Answer

11 votes

Answer:

a the concentration of hydrogen gas decreases

Step-by-step explanation:

Zn +HCl ---) ZnCl +H evolves

answered
User Levik
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8.9k points
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