Identify the compound Y in the following reaction.

1. 

2. 

3. 

4. 

Toluene reacts with a halogen in the presence of iron (III) chloride giving ortho and para halo compounds. The reaction is

1.  Electrophilic elimination reaction

2.  Electrophilic substitution reaction

3.  Free radical addition reaction

4.  Nucleophilic substitution reaction

The most suitable reagent for the following conversion is:

\(\begin{align} CH_3CH_2CH_2CH_3 \rightarrow\ & CH_3CH_2CH_2CH_2Cl\ +\ \\ & CH_3CH_2CHClCH_3\end{align} \)

1. Cl₂/UV light

2. NaCl + H₂SO₄

3. Cl₂ gas in dark

4. Cl₂ gas in the presence of iron in dark

Arrange the following compounds in the increasing order of their densities:

(i)	(ii)	(iii)	(iv)

1.  (i) <(ii) < (iii) <(iv) 

2.  (i) < (iii) < (iv) <(ii) 

3.  (iv) < (iii) < (ii) <(i) 

4.  (ii) < (iv) < (iii) < (i) 

Arrange the following compounds in increasing order of their boiling points.

(i)       

(ii) ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{Br}$

$\mathrm{(iii)}$

1.  (ii) < (i) < (iii) 

2.  (i) <(ii) <(iii) 

3.  (iii) <(i) <(ii) 

4.  (iii) < (ii) <(i) 

Compound(s) among the following with an asterisk (*) asymmetric carbon is/are:

1.  (a), (b), (c), (d)
2.  (a), (b), (c)
3.  (b), (c), (d)
4.  (a), (c), (d)

Which of the following is an enantiomer of the given molecule?
 

1.		2.
3.		4.

Which of the following is an example of vic-dihalide?

1.  Dichloromethane
2.  1, 2-dichloroethane

3.  Ethylidene chloride
4.  Allyl chloride

The position of Br in the compound in  CH₃CH=CHC(Br)(CH₃)₂ can be classified as ..........

1. Allyl 

2. Aryl 

3. Vinyl 

4. Secondary

Chlorobenzene is formed by the reaction of chlorine with benzene in the presence of ${\mathrm{AlCl}}_3$. Which of the following species attacks the benzene ring in this reaction?

$1. C{l}^{-} \mathrm{}$

$2. C{l}^{+} \mathrm{}$

$3. AlC{l}_3 \mathrm{}$

$4. {\left[AlC{l}_4\right]}^{-}$