Question

Why does copper not react with dilute sulphuric acid but reacts with concentrated sulphuric acid?Give reason

Answer 1

Answer:

Copper does not react with dilute sulphuric acid. ... This happens because iron; being more reactive than copper; displaces copper from copper sulphate and makes iron sulphate.

Explanation:

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Answer 2

Explanation:

with diluted hcl

here hydrogen is more reactive than copper

with conc. hcl

here concentration of h ions is less so it can easily react with it