Assertion (A) >: Diamond is a good conductor of electricity. Reason(R): Diamond and graphite are two allotrope of carbon and graphite is a good conductor of electricity.

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Q: 43 (NDA-II/2008)


Assertion (A): Diamond is a good conductor of electricity. Reason(R): Diamond and graphite are two allotrope of carbon and graphite is a good conductor of electricity.

question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,40,28,14,12,2,40

keywords: 

{'good conductor': [0, 0, 2, 0], 'graphite': [0, 0, 3, 9], 'diamond': [0, 0, 3, 3], 'electricity': [0, 0, 1, 3], 'carbon': [1, 0, 4, 5]}

The assertion in this question states that diamond is a good conductor of electricity. The reason provided to support this assertion is that diamond and graphite are two allotropes of carbon, and graphite is a good conductor of electricity.

Option 1 states that both the assertion and reason are individually true, and that the reason is the correct explanation of the assertion. However, this option is incorrect. While it is true that both diamond and graphite are allotropes of carbon and that graphite is a good conductor of electricity, diamond is not. Therefore, the reason does not explain why diamond is a good conductor of electricity.

Option 2 states that both the assertion and reason are individually true, but the reason is not the correct explanation of the assertion. This option is the correct answer. Diamond is not a good conductor of electricity, despite being an allotrope of carbon and graphite being a good conductor of electricity.

Option 3 states that the assertion is true but the reason is false. This option is incorrect because the assertion itself is false. Diamond is not a good conductor of electricity.

Option 4 states that the assertion is false but the reason is true. This option is incorrect. While it is true that graphite is a good conductor of electricity, this does not make the assertion that