Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?       

1. NaNH₂

2. HCl

3. O₂

4. Br₂

Mark the compound that, when treated with NaNH₂, forms its sodium salt:

Benzene reacts with n-propyl chloride in the presence of anhydrous AlCl₃ to give                    

1. 3-propyl-1-chlorobenzene

2. n-propyl benzene

3. no reaction

4. iso-propyl benzene

When acetylene is passed through $\mathrm{dil}.{\mathrm{H}}_2{\mathrm{SO}}_4$ in presence of ${\mathrm{HgSO}}_4$, the compound formed is

1. ether 

2. ketone

3. acetic acid 

4. acetaldehyde

Nitrobenzene on reaction with conc. HNO₃/H₂SO₄ at 80-100$°$C forms -

1. 1,2-Dinitrobenzene

2. 1,3-Dinitrobenzene

3. 1,4-Dinitrobenzene

4. 1,2,4-Trinitrobenzene

In Friedel-Craft's synthesis of toluene, the reactants in addition to anhydrous AlCl₃ are           

1. C₆H₅Cl + CH₄

2. C₆H₅Cl + CH₃Cl

3. C₆H₆ + CH₄

4. C₆H₆ + CH₃Cl

Benzene reacts with ${\mathrm{CH}}_3\mathrm{Cl}$ in the presence of anhy. ${\mathrm{AlCl}}_3$ to form

1. toluene

2. chlorobenzene

3. benzylchloride

4. xylene

3-Hexyne can be converted to trans-3-Hexene by the action of:

1. ${\mathrm{H}}_2$ - Pd/ ${\mathrm{BaSO}}_4$                       

2. Li-Liq. ${\mathrm{NH}}_3$

3. ${\mathrm{H}}_2$ - Pt ${\mathrm{O}}_2$                               

4. ${\mathrm{NaBH}}_4$

A compound having the shortest carbon-carbon bond length among the following is :

1. Benzene                                 

2. Ethene

3. Ethyne                                   

4. Ethane

Reaction of HBr with propene in the presence of peroxide gives

1. iso-propyl bromide

2. 3-bromo propane

3. allyl bromide

4. n-propyl bromide