Etards Reaction

Q. Mixture of $Ph-CHO$ & $HCHO$ is treated with $NaOH$ then Cannizzaro reaction involves:

1. Oxidation of HCHO
2. Reduction of Ph-CHO
3. Both (a) and (b)
4. Reduction of HCHO

Q. Which one of the following is true regarding Etard reaction?

1. Oxidation of toluene to benzaldehyde by chromylchloride
2. Oxidation of toluene to benzaldehyde by alkaline $KMn{O}_4$
3. Dry distilation of calcium benzoate
4. Reaction of benzene with $C{l}_2$ in the presence of UV light

Q. Williamson's reaction is an example of :

1. Electrophilic substitution reaction
2. Electrophilic addition reaction
3. Nucleophilic substitution reaction
4. Nucleophilic addition reaction

Q. Identify A in the following chemical reaction.

(iii) \( HI , \Delta \)

Q. Find the incorrect option(s) regarding the following reaction sequence.

1. R gives positive Tollens' test
2. Q gives positive Fehling's test
3. P, Q and R all give same compound when oxidized with $KMn{O}_4$ in an acidic medium
4. Q can give Cannizzaro reaction but not Aldol condensation

Q. Find the incorrect option(s) regarding the following reaction sequence.

1. R gives positive Tollens' test
2. Q gives positive Fehling's test
3. P, Q and R all give same compound when oxidized with $KMn{O}_4$ in an acidic medium
4. Q can give Cannizzaro reaction but not Aldol condensation

Q. Find the incorrect option(s) regarding the following reaction sequence.

1. R gives positive Tollens' test
2. Q gives positive Fehling's test
3. P, Q and R all give same compound when oxidized with $KMn{O}_4$ in an acidic medium
4. Q can give Cannizzaro reaction but not Aldol condensation

Q. Find the incorrect option(s) regarding the following reaction sequence.

1. R gives positive Tollens' test
2. Q gives positive Fehling's test
3. P, Q and R all give same compound when oxidized with $KMn{O}_4$ in an acidic medium
4. Q can give Cannizzaro reaction but not Aldol condensation