C₂H₅NH₂ , C₆H₅NHCH₃, (C₂H₅)₂NH and C₆H₅NH₂ 

_{For the above compounds, decreasing order of the pKb values (in gaseous phase) is -}

1. C₆H₅NH₂ > C₆H₅NHCH₃ > C₂H₅NH₂ > (C₂H₅)₂NH

2. C₂H₅NH₂ > C₆H₅NHCH₃ > C₆H₅NH₂ > (C₂H₅)₂NH

3. C₆H₅NHCH₃ > C₆H₅NH₂ > C₂H₅NH₂ > (C₂H₅)₂NH

4. (C₂H₅)₂NH > C₆H₅NHCH₃ > C₂H₅NH₂ > C₆H₅NH₂

The increasing order of boiling point of :

 C₂H₅OH, (CH₃)₂NH, C₂H₅NH₂ is-

1. (CH₃)₂NH < C₂H₅NH₂ < C₂H₅OH

2. (CH₃)₂NH > C₂H₅NH₂ > C₂H₅OH

3. (CH₃)₂NH < C₂H₅NH₂ > C₂H₅OH

4. (CH₃)₂NH <  C₂H₅OH< C₂H₅NH₂ 

The increasing sequence of solubility of the following molecules ;C₆H₅NH₂, (C₂H₅)₂NH, C₂H₅NH₂  

in water is -

1. C₆H₅NH₂ < (C₂H₅)₂NH < C₂H₅NH₂

2. C₆H₅NH₂ > (C₂H₅)₂NH < C₂H₅NH₂

3. C₆H₅NH₂ > (C₂H₅)₂NH > C₂H₅NH₂

4. C₆H₅NH₂ < (C₂H₅)₂NH > C₂H₅NH₂

Arrange the following in increasing order of their basic strength: CH₃NH₂, (CH₃)₂NH, (CH₃)₃N, C₆H₅NH₂, C₆H₅CH₂NH₂

1. C₆H₅NH₂ < C₆H₅CH₂NH₂  <  (CH₃)₃N < CH₃NH₂ <  (CH₃)₂NH
2. C₆H₅NH₂ < (CH₃)₃N < C₆H₅CH₂NH₂ < CH₃NH₂< (CH₃)₂NH

$3. {\left({\mathrm{CH}}_{\mathrm{₃}}\right)}_{\mathrm{₂}}\mathrm{NH }< {\mathrm{C}}_{\mathrm{₆}}{\mathrm{H}}_{\mathrm{₅}}{\mathrm{NH}}_{\mathrm{₂}}< {\left({\mathrm{CH}}_{\mathrm{₃}}\right)}_{\mathrm{₃}}\mathrm{N }< {\mathrm{C}}_{\mathrm{₆}}{\mathrm{H}}_{\mathrm{₅}}{\mathrm{CH}}_{\mathrm{₂}}{\mathrm{NH}}_{\mathrm{₂}} < {\mathrm{CH}}_{\mathrm{₃}}{\mathrm{NH}}_{\mathrm{₂}}$

$4. {\left({\mathrm{CH}}_{\mathrm{₃}}\right)}_{\mathrm{₃}}\mathrm{N }< {\mathrm{C}}_{\mathrm{₆}}{\mathrm{H}}_{\mathrm{₅}}{\mathrm{NH}}_{\mathrm{₂}}< {\mathrm{C}}_{\mathrm{₆}}{\mathrm{H}}_{\mathrm{₅}}{\mathrm{CH}}_{\mathrm{₂}}{\mathrm{NH}}_{\mathrm{₂}} < {\mathrm{CH}}_{\mathrm{₃}}{\mathrm{NH}}_{\mathrm{₂}}< {\left({\mathrm{CH}}_{\mathrm{₃}}\right)}_{\mathrm{₂}}\mathrm{NH}$

Arrange the following in increasing order of their basic strength: ${\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}, {\mathrm{CH}}_3{\mathrm{NH}}_2, {\left({\mathrm{CH}}_3\right)}_3\mathrm{N}, {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2, {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2$

_{$1. {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2< {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2 < {\left({\mathrm{CH}}_3\right)}_3\mathrm{N}< {\mathrm{CH}}_3{\mathrm{NH}}_2< {\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$
$2. {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2< {\left({\mathrm{CH}}_3\right)}_3\mathrm{N}< {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2 < {\mathrm{CH}}_3{\mathrm{NH}}_2< {\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$
$3. {\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}< {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2< {\left({\mathrm{CH}}_3\right)}_3\mathrm{N}< {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2 < {\mathrm{CH}}_3{\mathrm{NH}}_2$
$4. {\left({\mathrm{CH}}_3\right)}_3\mathrm{N}<{\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2< {\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{CH}}_2{\mathrm{NH}}_2 < {\mathrm{CH}}_3{\mathrm{NH}}_2< {\left({\mathrm{CH}}_3\right)}_2\mathrm{NH}$}

What will be the product when aniline reacts with benzoyl chloride ?

1. N-phenybenzamide 

2. N-methylbenzamide

3. Benzamide

4. N-ethylbenzamide

The correct increasing order of basic strength for the following compounds is:

(I)	(II)	(III)

 
1. II < III < I

2. III < I < II

3. III < II < I

4. II < I < III

In nitration of benzene using a mixture of conc. H₂SO₄ and conc. HNO₃, the species that initiates the reaction is :

1. NO₂
2. NO⁺
3. NO₂⁺
4. NO₂^-

Match the compounds given in Column I with the items given in Column II.

Codes:

Select the correct option based on statements below: