Assertion :Graphite is soft while diamond is hard. Reason: Graphite has three dimensional structure while diamond has planar structure.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Graphite is soft because of weak forces between the layers and diamond is hard because of rigid three dimensional structure.
Graphite doesn't have 3-D structure
So, assertion is correct but reason is incorrect.

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Similar questions

Q. Assertion :Graphite is soft while diamond is hard. Reason: Graphite has three dimensional structure while diamond has planner.

In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.

(a) Assertion and Reason both are correct statements an Reason is correct explanation for Assertion.

(b) Assertion and Reason both are correct satements but Reason is not correct explanation for Assertion.

(d) Assertion is wrong statement but Reason is correct statement.

Assertion (A) Graphite is a good conductor of electricity however diamond belongs to the category of insulators.

Reason (R) Graphite is soft in nature on the other hand diamond is very hard and brittle.

Q. Assertion: The compressibility factor for

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and

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(1 + \frac{P b}{R T})

Reason: The compressibility factor for

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Q. Assertion : Two electrons of helium atom are placed in only one shell but three electrons of lithium need two shells.
Reason: A shell can have maximum

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Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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Assertion :Graphite is soft while diamond is hard. Reason: Graphite has three dimensional structure while diamond has planar structure.

The correct option is C Assertion is correct but Reason is incorrectGraphite is soft because of weak forces between the layers and diamond is hard because of rigid three dimensional structure.Graphite doesn't have 3-D structure So, assertion is correct but reason is incorrect.

The correct option is C Assertion is correct but Reason is incorrect
Graphite is soft because of weak forces between the layers and diamond is hard because of rigid three dimensional structure.
Graphite doesn't have 3-D structure
So, assertion is correct but reason is incorrect.