Q 1 :    

Select the incorrect reaction among the following.                [2024]

• ${\mathrm{CH}}_3\mathrm{COCl}\underset{\mathrm{\Delta }}{\overset{{\mathrm{H}}_2\mathrm{O}}{\to }}{\mathrm{CH}}_3\mathrm{COOH}$

   

• 

   

• ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{OH}\underset{\left(\mathrm{ii}\right) {\mathrm{H}}_3{\mathrm{O}}^{+}}{\overset{\left(\mathrm{i}\right) {\mathrm{KMnO}}_4/{\mathrm{OH}}^{-}}{\to }}{\mathrm{CH}}_3\mathrm{COOH}$

   

• ${\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}\stackrel{{\mathrm{CrO}}_3-{\mathrm{H}}_2{\mathrm{SO}}_4}{\to }{\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{COOH}$

   

Q 2 :    

Match List I with List II.                                  [2024]

Choose the correct answer from the options given below:

• A-IV, B-I, C-III, D-II

   

• A-III, B-I, C-II, D-IV

   

• A-IV, B-I, C-II, D-III

   

• A-I, B-IV, C-II, D-III

   

Q 3 :    

Reagents which can be used to convert alcohols to carboxylic acids, are:

(A)  ${\mathrm{CrO}}_3-{\mathrm{H}}_2{\mathrm{SO}}_4$

(B)  ${\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7+{\mathrm{H}}_2{\mathrm{SO}}_4$

(C)  ${\mathrm{KMnO}}_4+\mathrm{KOH}/{\mathrm{H}}_3{\mathrm{O}}^{+}$

(D)  Cu, 573 K

(E)  ${\mathrm{CrO}}_3,{\left({\mathrm{CH}}_3\mathrm{CO}\right)}_2\mathrm{O}$

Choose the most appropriate answer from the options given below:                   [2023]

• (B), (C) and (D) only

   

• (B), (D) and (E) only

   

• (A), (B) and (C) only

   

• (A), (B) and (E) only

   

Q 4 :    

Complete the following reaction:

[C] is ___________________.                [2023]

Q 5 :    

$\text{RMgX}+{\text{CO}}_2\underset{\text{ether}}{\overset{\text{dry}}{\to }}Y\stackrel{{\text{H}}_3{\text{O}}^{+}}{\to }\text{RCOOH}$

What is Y in the above reaction?                             [2022]

• ${\text{RCOO}}^{-}{\text{Mg}}^{+}\text{X}$

   

• ${\text{R}}_3{\text{CO}}^{-}{\text{Mg}}^{+}\text{X}$

   

• ${\text{RCOO}}^{-}{\text{X}}^{+}$

   

• ${\left(\mathrm{RCOO}\right)}_2\mathrm{Mg}$

   

Q 6 :    

The reaction that does not give benzoic acid as the major product is                [2019]

Q 7 :    

Which one of the following esters gets hydrolysed most easily under alkaline conditions?             [2015]