Ethanol reacts with sodium and forms two products. These are

List two characteristics of covalent compounds.

What is the monomer of natural rubber?

How would you name the following compounds?
$(i)$ $CH_{3}-CH_{2}-CH=CH_{2}$
$(ii)$ $CH_{3}-CH_{2}-CH_{2}-C(CH_{3})_{2}-CH_{3}$
$(iii)$ $CH_{3}-CH_{2}-CHO$
$(iv)$ $CH_{3}-CH(OH)-CH_{3}$

Which of the following functional groups is present in aldehyde compounds?

Identify the functional group present in Pentanone.