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Q.

Based on the following statements, choose the correct option:

Assertion: Graphite is chemically more reactive than diamond.

Reason: Diamond is very hard but graphite is soft.

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a

The assertion as well as reason are correct, but reason is not the correct explanation of the reason.

b

The assertion is correct but the reason is not.

c

The assertion as well as reason are correct and the reason is the correct explanation of the assertion.

d

The reason is correct but the assertion is not.  

answer is B.

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Detailed Solution

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The assertion as well as reason are correct, but reason is not the correct explanation of the reason.
Assertion: Graphite is chemically more reactive than diamond. Graphite is a good conductor of electricity whereas diamond is not, graphite used as lubricant whereas diamonds do not. 
Reason: Diamond is very hard but graphite is soft. Diamond is a 3D structure and very hard due to which it is used in cutting of hard substances.

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Based on the following statements, choose the correct option:Assertion: Graphite is chemically more reactive than diamond.Reason: Diamond is very hard but graphite is soft.