⇒Aldehydes, Ketones and Carboxylic Acids

1. ⇒  (MHT CET 2023 12th May Evening Shift )

Which of the following compounds is obtained by Rosenmund reduction of benzoyl chloride?

A. Benzene

B. Benzyl alcohol

C. Benzaldehyde

D. Chlorobenzene

2. ⇒  (MHT CET 2023 12th May Morning Shift )

Which of the following reactions is Rosenmund reduction?

A.

B.

C.

D.

3. ⇒  (MHT CET 2023 11th May Evening Shift )

Identify the reagent 'R' used in the following reaction.

A. CO, HCl

B. H${}_2$, Pd-BaSO${}_4$

C. H${}_2$O

D. DIBAl-H

4. ⇒  (MHT CET 2023 10th May Evening Shift )

Which of the following reagents is used in Gatterman-Koch formylation of arene?

A. ${\mathrm{CrO}}_3$

B. $\mathrm{CO},\mathrm{HCl}/{\mathrm{AlCl}}_{3(\mathrm{anhydr}.)}$

C. ${\mathrm{CrO}}_2{\mathrm{Cl}}_2,{\mathrm{CS}}_2$

D. ${\mathrm{Cl}}_2\mathrm{h}v,{\mathrm{H}}_3{\mathrm{O}}^{+}$

5. ⇒  (MHT CET 2021 21th September Evening Shift )

Which of the following reagents is used in the reaction shown below?

Benzoyl chloride $\stackrel{?}{⟶}$ Benzaldehyde

A. DIBAI-H

B. ${\mathrm{SnCl}}_2/\mathrm{HCl}$

C. ${\mathrm{H}}_2/\mathrm{Pd}-{\mathrm{BaSO}}_4$

D. Dimethyl cadmium