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Question

Statement 1: Powdered zinc reacts faster with acid than a larger piece of zinc.
Statement 2: Powdered zinc has a greater surface area.

A

Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1

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B

Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1

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C

Statement 1 is correct but Statement 2 is not correct

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D

Statement 1 is not correct but Statement 2 is correct

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E

Both the Statement 1 and Statement 2 are not correc

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Solution

The correct option is A

Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1


Greater number of collisions occur when zinc is in powdered form, but in case of larger piece, the inner atoms are protected by those on the surface,so rate of reaction is slower than zinc powder.
Example of reaction:- Zn+2HClZnCl2+H2

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