Which of the following is aromatic?

1. 

2.  (Carbene)

3. 

4.  (Carbene)                    

The compound X in the above reaction is:

1.		2.
3.		4.

Give a simple test to differentiate cyclohexane and cyclohexene :

1. Br₂/H₂O

2. Baeyer's reagent

3. Tollen's reagent

4. Both (1) and (2)

Partial oxidation of methane with Ni/Al₂O₃ catalyst gives:

1. HCHO

2. HCOOH

3. H₂O and CO₂

4. CO and H₂O

The maximum number of alkyl groups in C₈H₁₈ are:

1. 6

2. 5

3. 4

4. 2

Predict the correct intermediate and product in the following reaction.

H₃C-C$\equiv$CH $\underset{{\mathrm{HgSO}}_4}{\overset{{\mathrm{H}}_2\mathrm{O},}{\to }}$ ${\mathrm{H}}_2{\mathrm{SO}}_4$ Intermediate $\to$Product

                                                    (A)                   (B)

An alkene reacts in accordance with Markownikoff's rule to give a product of 1-chloro-l-methylcyclohexane with HCl. The possible alkene is: 

1.
2.
3.	Both 1 and 2
4.

2, 3-dimethyl-2-butene can be prepared by heating which of the following compounds

with a strong acid?

1. 

2. (CH₃)₃C-CH=CH₂

3. (CH₃)₂C=CH-CH₂-CH₃

4. (CH₃)₂CH-CH₂-CH=CH₂

The oxidation of benzene by V₂O₅ in the presence of air produces:

The products that formed when the following compound is treated with Br₂ in the presence of FeBr₃ are:

1.
2.
3.
4.