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:

The products formed when meta-xylene is treated with Br₂ in the presence of FeBr₃ are:-                                                                           

1.
2.
3.
4.

A compound that is formed on passing chlorine through propene at 400$°$C is -

1. PVC                       

 2. Allyl chloride  

3. Nickel chloride         

4. 1,2-Dichloro ethane

The reactants used in Friedel-Craft's alkylation are:                          

1. C₆H₆ + NH₂

2. C₆H₆ + CH₄

3. C₆H₆ + CH₃Cl

4. C₆H₆ + CH₃COCl

In the following reaction sequence:

What is the final product, D?

1.		2.
3.		4.

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 the following reaction,

Product A is-

1. 

2. 

3. 

4. 

CH₃-C$\equiv$C-H$\stackrel{{\mathrm{CH}}_3\mathrm{MgBr}}{\to }$CH₄ + (A)$\underset{\left(\mathrm{ii}\right) {\mathrm{H}}_2\mathrm{O}/{\mathrm{H}}^{+}}{\overset{\left(\mathrm{i}\right) {\mathrm{CO}}_2}{\to }}$(B); (B) is -

1. H₃C-CH₂-CH₂-COOH

2. CH₃-C$\equiv$C-CH₃

3. H₃C-C$\equiv$C-COOH

4. H₃C-CH=CH-COOH

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. ${\mathrm{NaBH}}_4$