Which of the following would exhibit cis-trans isomerism?

1. ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}={\mathrm{CH}}_2$

2. $\mathrm{ClCH}=\mathrm{CHCl}$

3. $\mathrm{ClCH}={\mathrm{CCl}}_2$

4. ${\mathrm{CH}}_2=\mathrm{CH}-\mathrm{COOH}$

The non-aromatic compound among the following is-

1.            

2.

3.         

 4.  

Which of the following compounds is the most reactive towards sulphonation?

1. Toluene               

2. Chlorobenzene

3. Nitrobenzene       

4. m-Xylene

The monochlorinated products (excluding stereo-isomers) obtained from the reaction:

1.  4                           

2.  5                     

3.  6                               

4.  7                                         

But-2-ene exhibits cis-trans-isomerism due to

1. Rotation around C₂-C₃ double bond

2. Rotation around C₃-C₄ sigma bond

3. Rotation around C₁-C₂ bond

4. Restricted rotation around C=C bond

 The compound is an example:

1. Aromatic compound                 

2. Heterocyclic compound

3. Annulene                               

4. Xanthates

Compound ‘A’ and ‘B’ respectively

1. Both are Cis-butene-2

2. Cis-butene-2, Trans-butene-2

3. Both are Trans-butene-2

4. Trans-butene-2, Cis-butene-2

The compound ‘A’ is:

1.		2.
3.		4.	-

$C{H}_3$
$l$
$C{H}_3-CH-C{H}_3+C{l}_2\stackrel{h\nu }{\to }A\left(mojar\right)$
$(1 mole)$

The compound ‘A’ is

1. $C{H}_3$
$l$
$C{H}_3-CH-C{H}_2-Cl$

2. $C{H}_3$
$l$
$C{H}_3-C-C{H}_3$
$l$
$Cl$

3. Both (1) and (2)

4. Neither (1) nor (2)

What is the order of melting points for the isomeric pentanes?

1. n-Pentane > Isopentane > Neopentane

2. Neopentane > Isopentane > n-Pentane

3. Neopentane > n-Pentane > Isopentane

4. Isopentane > n-Pentane > Neopentane