Chemistry WAEC

Cu and HNO3 are not suitable for preparing hydrogen gas because of their?

A. reactivity and oxidation respectively
B. conductivity and corrosiveness respectively
C. melting point and reduction respectively
D. electronegativity and solubility respectively

Correct Answer: Option A

A. reactivity and oxidation respectively

Explanation

Copper is not active enough to replace hydrogen in an acid. Also, nitric acid is a strong oxidizing agent that quickly oxidizes hydrogen to water.

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