Question

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Answer 1

Explanation:

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Answer 2

Answer:

a) Cu do not react with dilute sulphuric acid as it comes behind hydrogen in the reactivity series. But with concentrated H

2

SO

4

it reacts to form CuSO

4

and SO

2

is evolved.

Cu+2H

2

SO

4

(conc)→CuSO

4

+SO

2

+2H

2

O

b) Since Fe is more reactive than Cu. It will displace Cu from CuSO

4

and form FeSO

4

. A color change of blue to light green will occur.

Fe+CuSO

4

→FeSO

4

+Cu

Explanation:

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