Question 565 of 785 in Organic Chemistry

Reaction with metals

1 mark · Easy

State the gas produced when magnesium metal reacts with dilute propanoic acid.

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Hydrogen

Also accept: H₂; H2; Hydrogen gas

Common mistakes: Oxygen; Carbon dioxide

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Marking points

B1 · 1 mark · Identifies hydrogen as the gas produced in the reaction.

Worked solution

The reaction of magnesium with a carboxylic acid such as propanoic acid produces magnesium propanoate and hydrogen gas.

The gas produced is hydrogen.

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