Q 1 :    

This reduction reaction is known as:                                   [2024]

• Rosenmund reduction

   

• Wolff-Kishner reduction

   

• Stephen reduction

   

• Etard reduction

   

Q 2 :    

In the given reactions, identify the reagent A and reagent B.                         [2024]

• $A-Cr{O}_3 B-Cr{O}_3$

   

• $A-Cr{O}_3 B-Cr{O}_{2}C{l}_2$

   

• $A-Cr{O}_{2}C{l}_2 B-Cr{O}_{2}C{l}_2$

   

• $A-Cr{O}_{2}C{l}_2 B-Cr{O}_3$

   

Q 3 :    

Identify the name reaction.                                     [2024]

• Etard Reaction

   

• Stephen Reaction

   

• Gatterman - Koch Reaction

   

• Rosenmund Reduction

   

Q 4 :    

Identify A and B in the following sequence of reaction                                    [2024]

Q 5 :    

In the above chemical reaction sequence "A" and "B" respectively are                             [2024]

 

• ${\mathrm{H}}_2\mathrm{O},{\mathrm{H}}^{+}\mathrm{and} {\mathrm{KMnO}}_4$

   

• ${\mathrm{O}}_3,\mathrm{Zn}/{\mathrm{H}}_2\mathrm{O} \mathrm{and} {\mathrm{KMnO}}_4$

   

• ${\mathrm{H}}_2\mathrm{O},{\mathrm{H}}^{+} \mathrm{and} \mathrm{NaOH}\left(\mathrm{alc}\right)/{\mathrm{I}}_2$

   

• ${\mathrm{O}}_3,\mathrm{Zn}/{\mathrm{H}}_2\mathrm{O} \mathrm{and} {\mathrm{NaOH}}_{\left(\mathrm{alc}\right)}/{\mathrm{I}}_2$

   

Q 6 :    

The number of the correct reaction(s) among the following is _______.                       [2024]

Q 7 :    

Vanillin compound obtained from vanilla beans, has total sum of oxygen atoms and $\mathrm{\pi }$ electrons is _______.          [2024]

Q 8 :    

Match List I with List II.              [2025]

[IMAGE 304]

Choose the correct answer from the options given below:

• A–III, B–IV, C–I, D–II

   

• A–I, B–III, C–II, D–IV

   

• A–III, B–IV, C–II, D–I

   

• A–IV, B–III, C–I, D–II

   

Q 9 :    

Which compound would give 3-methyl-6-oxoheptanal upon ozonolysis?          [2025]

• [IMAGE 305]

   

• [IMAGE 306]

   

• [IMAGE 307]

   

• [IMAGE 308]

   

Q 10 :    

Given below are two statements:              [2025]

Statement I: Ozonolysis followed by treatment with Zn, ${\mathrm{H}}_2\mathrm{O}$ of cis-2-butene gives ethanal.

Statement II: The product obtained by ozonolysis followed by treatment with Zn, ${\mathrm{H}}_2\mathrm{O}$ of 3,6-dimethyloct-4-ene has no chiral carbon atom.

In the light of the above statements, choose the correct answer from the options given below:

• Both Statement I and Statement II are true.

   

• Statement I is false but Statement II are true.

   

• Statement I is true but Statement II is false.

   

• Both Statement I and Statement II are false.