Carbon and its Compounds

How many carbons are there in the longest chain?

• 5

• 3

• 1

• 6

Which of these has the formula C₆₀?

• graphite

• diamond

• fullerene

• none of these

Which of the following is the molecular formula of cyclobutane?

• C₄H₁₀

• C₄H₆

• C₄H₈

• C₄H₄

The property of self-linkage among identical atoms to form long chains is

• Superposition

• Catenation

• Isomerisation

• Halogenation

-Methane is a major constituent of

• CNG

• Bio-gas

• Natural Gas

• All the above

Which of the following statements about graphite and diamond is true?

• They have the same crystal structure

• They have the same degree of hardness

• They have the same electrical conductivity

• They can undergo the same chemical reactions

Covalent compound

• has low melting and boiling point

• is generally poor conductors of electricity

• has weak inter-molecular forces

• All of the above

The carbons circled in red...

• are double bonded

• are sharing two pairs of electrons

• are sharing three pairs of electrons

• Are sharing three electrons

Formula for Benzene molecule is

• C₆H₁₂

• C₆H₈

• C₈H₆

• C₆H₆

Prefix 'prop' is used when no. of carbon are

• 1

• 3

• 4

• 5