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Carbon Nitrogen and their Compounds


1. 

The state of hybridisation of carbon in diamond is

Answer : C. sp3

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2. 

A part from carbon and hydrogen provide contains

Answer : B. nitrogen

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3. 

the hybridisation of carbon in ethane is

Answer : A. sp3

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4. 

Which of the following atmospheric gases in highest percentage

Answer : D. nitrogen

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5. 

The hardest variety of carbon is

Answer : C. diamond

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6. 

What is the "lead" of a lead pencil made of?

Answer : C. graphite

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