The molecular formula of ethane is

When two carbon atoms share two electron pairs then they form

A. single bond

B. double bond

C. triple bond

D. coordinate covalent bond

All are wrong about alkenes, but that they are

A. saturated hydrocarbons

B. soluble in water

C. unsaturated hydrocarbons

D. insoluble in organic solvents

What is the physical state of the first four alkanes?

A. solid

B. liquid

C. gas

D. plasma

What is the color of bromine?

A. brown

B. red

C. orange

D. reddish-brown

Loss of hydrogen halide is called

A. halogenation

B. dehydration

C. Dehydrohalogenation

D. hydrogenation