MEDIUM
10th CBSE
IMPORTANT
Earn 100

Explain why diamond is hard while graphite is soft (though both are made of carbon atoms).

Important Questions on Carbon And its Compounds
EASY
10th CBSE
IMPORTANT
Giving the structure, state the number of single bonds, double bonds and triple bonds (if any) in ethyne.

EASY
10th CBSE
IMPORTANT
Giving the structure, state the number of single bonds, double bonds and triple bonds (if any) in ethene.

MEDIUM
10th CBSE
IMPORTANT
Giving the structure, state the number of single bonds, double bonds and triple bonds (if any) in benzene.

EASY
10th CBSE
IMPORTANT
Write the molecular formula and structure of cyclohexane. How many covalent bonds are there in a molecule of cyclohexane?

HARD
10th CBSE
IMPORTANT
Write two points of difference in the structures of diamond and graphite.

HARD
10th CBSE
IMPORTANT
Explain why, graphite can be used as a lubricant but diamond cannot.

HARD
10th CBSE
IMPORTANT
Explain why, diamond can be used in rock drilling equipment but graphite cannot.

EASY
10th CBSE
IMPORTANT
State one use of diamond which depends on its 'extraordinary brilliance' and one use of graphite which depends on its being 'black and quite soft'.
