In the following reaction sequence:

What is the final product, D?

1.		2.
3.		4.

Which of the following can convert 3-Hexyne into trans-3-Hexene?

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

2. Li-Liq. ${\mathrm{NH}}_3$

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

4. ${\mathrm{NaBH}}_4$

Find the most suitable reagent to distinguish compound (III) from the rest of the compounds.

I. CH₃–C≡C–CH₃

II. CH₃–CH₂–CH₂–CH₃

III. CH₃–CH₂–C≡CH

IV. CH₃–CH=CH₂

The reaction, 

${\mathrm{C}}_6{\mathrm{H}}_6$ + ${\mathrm{CH}}_3\mathrm{Cl}\underset{{\mathrm{AlCl}}_3}{\overset{\mathrm{Anhydrous}}{\to }}$${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_3$ + HCl

is an example of:

1. Friedel-Crafts reaction

2. Kolbe's synthesis

3. Wurtz's reaction

4. Grignard synthesis

RCOCl and ${\mathrm{AlCl}}_3$ are used in the Friedel-Crafts reaction.
The electrophile among the following is:

1. ${\mathrm{Cl}}^{+}$                                       

2. RCOCl

3. $\mathrm{R}\stackrel{+}{\mathrm{C}}$O                                     

4. ${\mathrm{R}}^{+}$

A compound that gives an optically inactive compound on treatment with H₂(2 moles)/ Pt is: 

1. 3-Methyl-1-pentyne
2. 4-Methyl-1-hexyne
3. 3-Methyl-1-heptyne
4. None of the above

The Product (B) in the above-mentioned reaction is:

1.		2.
3.		4.

Which of the following compounds is anti-aromatic?

1.		2.
3.		4.

Which of the following compounds gives the maximum percentage of meta-substituted
product upon nitration with concentrated HNO₃/H₂SO₄?

1. Toluene

2. Aniline

3. Benzene

4. Isopropylbenzene