Please help on Chemistry?

Question

1 General structure for halocarbons compounds?
2 Reaction of bezene and chlorine(structural formula)
3 Balanced equation of 2-pentene and water
4 General structurefor aldehyde compounds
6 General structure for carboxylic acid compounds
7 Generalstructure for ester compounds
10 What happens in a substitution reaction. Example of a substitution reaction and name atoms involved in the replacement.
12 Example of addition reaction and describe what happens
16 Describe a polymerization condensation reaction. Example.

Answer 1

1) R-X

2) To which level ???????

3) In presence of ???????

4) R-CHO

6) R-COOH

7 RCOOR'

10 An atom is replaced by another

12 C2H4 + Cl2 -> C2H4Cl2

16) Nylon