Metal A dipped in a salt of metal B displaces B from the solution. This shows that:

a)A is more reactive than B
b) B is more reactive than A.

c) Both A and B are equally reactive.
d) No such conclusion can be drawn.

Dear student,

Since A is able to replace B and B is unable to remain in the salt form, A is more reactive than B.

Hence, the answer is option a.

Regards

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