BioMedical Admissions Test (BMAT) 2025 – 400 Free Practice Questions to Pass the Exam

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Why does copper not react with dilute acid?

It is more reactive than hydrogen

It does not form a salt with hydrochloric acid

It is less reactive than hydrogen

Copper does not react with dilute acid because it is less reactive than hydrogen. In terms of the reactivity series of metals, hydrogen sits above copper, meaning that copper will not displace hydrogen ions from dilute acids such as hydrochloric or sulfuric acid to produce hydrogen gas. This low reactivity is characteristic of copper, which does not readily participate in reactions with dilute acids under standard conditions.

The response correctly identifies that the hierarchy of reactivity is crucial to understanding why copper does not engage in chemical reactions with these acids, particularly when compared to hydrogen.

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It is a noble metal that resists acids

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