The most suitable reagent for the following conversion, is:

1.  ${\mathrm{Hg}}^{2+}/{\mathrm{H}}^{+} , {\mathrm{H}}_2\mathrm{O}$

2.  Na/liquid NH₃

3.  H₂, Pd/C, quinoline

4.  Zn/HCl

Which of the compounds with molecular formula C₅H₁₀ yields acetone on ozonolysis?

1. 2-methyl-2-butene

2. 2-methyl-1-butene

3.  Cyclopentane

4. 3-methyl-1-butene

Benzene reacts with CH₃Cl in the presence of anhydrous AlCl₃ to form

1. Toluene

2. Chlorobenzene

3. Benzylchloride

4. Xylene

The state of hybridisation of C₂, C₃, C₅ and C₆of the hydrocarbon, 
 
is in the following sequence : 

1. $sp,s{p}^3,s{p}^2 and s{p}^3$

2. $s{p}^3,s{p}^2,s{p}^2 and sp$

3. $sp,s{p}^2,s{p}^2 and s{p}^3$

4. $sp,s{p}^2,s{p}^3 and sp2$

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by

1. Oxidation

2. Cracking

3. Distillation under reduced pressure

4. Hydrolysis

Which of the following compounds will not undergo Friedal-Craft’s reaction easily:

1. Xylene
2. Nitrobenzene
3. Toluene
4. Cumene

Which of the following organic compounds has the same hybridization as its combustion product i.e (CO₂) :

1. Ethane

2. Ethyne

3. Ethene

4. Ethanol