Read the following and answer any four questions from (i) to (v).

The table given below shows six organic compounds A, B, C, D, E and F having different molecular formula:

Organic compound	Molecular formula
A	C7H16
B	C8H16
C	C4H6
D	C6H10
E	C5H10
F	C9H20

(i) Which of the following compounds belong to same homologous series?

1. E and F
2. B and C
3. A and B
4. C and D

(ii) Which of the following is the member of the same homologous series as E?

1. D
2. A
3. F
4. B

(iii) Identify the correct statements.

1. A and F are saturated hydrocarbons while all others are unsaturated hydrocarbons.
2. C and D belong to a homologous series having general formula C_nH_2n.
3. B and E are alkynes.
4. All the compounds have same physical and chemical properties.

(iv) Compound B is:

1. An alkane.
2. An alkene.
3. An alkyne.
4. None of these.

(v) Compound (F) has a general formula:

1. C_nH_2n-2
2. C_nH_2n
3. C_nH_2n+4
4. C_nH_2n+2