Methods of Preparation of Aldehydes and Ketones
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323840 Identify the reagent used in following conversion.
supporting img

1 \(\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_{3}\)
2 \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
3 \(\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
4 \(\mathrm{CrO}_{3},\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323841 supporting img
This reduction reaction is known as

1 Wolff-Kishner reduction
2 Etard reduction
3 Rosenmund reduction
4 Stephen reduction.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323842 Oxidation of toluene with \(\mathrm{CrO}_{3}\) in the presence of \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) gives a product \(\mathrm{A}\), that on treatment with aq. \(\mathrm{NaOH}\) produce

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COONa}\)
3 \(\left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CO}\right)_{2} \mathrm{O}\)
4 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323843 Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

1 Chlorobenzene
2 Benzyl alcohol
3 Benzene
4 Benzaldehyde
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323844 Identify the name of the following reaction.
Toluene + Chromyl chloride
\(\stackrel{\mathrm{CS}_{2}}{\longrightarrow}\) complex \(\stackrel{\mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow}\) Benzaldehyde

1 Stephen reaction
2 Rosenmund reaction
3 Etard reaction
4 Wolff - Kishner reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323840 Identify the reagent used in following conversion.
supporting img

1 \(\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_{3}\)
2 \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
3 \(\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
4 \(\mathrm{CrO}_{3},\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323841 supporting img
This reduction reaction is known as

1 Wolff-Kishner reduction
2 Etard reduction
3 Rosenmund reduction
4 Stephen reduction.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323842 Oxidation of toluene with \(\mathrm{CrO}_{3}\) in the presence of \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) gives a product \(\mathrm{A}\), that on treatment with aq. \(\mathrm{NaOH}\) produce

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COONa}\)
3 \(\left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CO}\right)_{2} \mathrm{O}\)
4 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323843 Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

1 Chlorobenzene
2 Benzyl alcohol
3 Benzene
4 Benzaldehyde
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323844 Identify the name of the following reaction.
Toluene + Chromyl chloride
\(\stackrel{\mathrm{CS}_{2}}{\longrightarrow}\) complex \(\stackrel{\mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow}\) Benzaldehyde

1 Stephen reaction
2 Rosenmund reaction
3 Etard reaction
4 Wolff - Kishner reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323840 Identify the reagent used in following conversion.
supporting img

1 \(\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_{3}\)
2 \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
3 \(\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
4 \(\mathrm{CrO}_{3},\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323841 supporting img
This reduction reaction is known as

1 Wolff-Kishner reduction
2 Etard reduction
3 Rosenmund reduction
4 Stephen reduction.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323842 Oxidation of toluene with \(\mathrm{CrO}_{3}\) in the presence of \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) gives a product \(\mathrm{A}\), that on treatment with aq. \(\mathrm{NaOH}\) produce

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COONa}\)
3 \(\left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CO}\right)_{2} \mathrm{O}\)
4 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323843 Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

1 Chlorobenzene
2 Benzyl alcohol
3 Benzene
4 Benzaldehyde
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323844 Identify the name of the following reaction.
Toluene + Chromyl chloride
\(\stackrel{\mathrm{CS}_{2}}{\longrightarrow}\) complex \(\stackrel{\mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow}\) Benzaldehyde

1 Stephen reaction
2 Rosenmund reaction
3 Etard reaction
4 Wolff - Kishner reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323840 Identify the reagent used in following conversion.
supporting img

1 \(\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_{3}\)
2 \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
3 \(\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
4 \(\mathrm{CrO}_{3},\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323841 supporting img
This reduction reaction is known as

1 Wolff-Kishner reduction
2 Etard reduction
3 Rosenmund reduction
4 Stephen reduction.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323842 Oxidation of toluene with \(\mathrm{CrO}_{3}\) in the presence of \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) gives a product \(\mathrm{A}\), that on treatment with aq. \(\mathrm{NaOH}\) produce

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COONa}\)
3 \(\left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CO}\right)_{2} \mathrm{O}\)
4 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323843 Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

1 Chlorobenzene
2 Benzyl alcohol
3 Benzene
4 Benzaldehyde
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323844 Identify the name of the following reaction.
Toluene + Chromyl chloride
\(\stackrel{\mathrm{CS}_{2}}{\longrightarrow}\) complex \(\stackrel{\mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow}\) Benzaldehyde

1 Stephen reaction
2 Rosenmund reaction
3 Etard reaction
4 Wolff - Kishner reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323840 Identify the reagent used in following conversion.
supporting img

1 \(\mathrm{CO}, \mathrm{HCl} / \mathrm{AlCl}_{3}\)
2 \(\mathrm{CrO}_{2} \mathrm{Cl}_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
3 \(\mathrm{AlH}(\mathrm{i}-\mathrm{Bu})_{2}, \mathrm{H}_{3} \mathrm{O}^{+}\)
4 \(\mathrm{CrO}_{3},\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323841 supporting img
This reduction reaction is known as

1 Wolff-Kishner reduction
2 Etard reduction
3 Rosenmund reduction
4 Stephen reduction.
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323842 Oxidation of toluene with \(\mathrm{CrO}_{3}\) in the presence of \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\) gives a product \(\mathrm{A}\), that on treatment with aq. \(\mathrm{NaOH}\) produce

1 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CHO}\)
2 \(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{COONa}\)
3 \(\left(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CO}\right)_{2} \mathrm{O}\)
4 \(\left(\mathrm{CH}_{3} \mathrm{CO}\right)_{2} \mathrm{O}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323843 Identify the product formed when benzoyl chloride is reduced by hydrogen using palladium catalyst poisoned with barium sulphate?

1 Chlorobenzene
2 Benzyl alcohol
3 Benzene
4 Benzaldehyde
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323844 Identify the name of the following reaction.
Toluene + Chromyl chloride
\(\stackrel{\mathrm{CS}_{2}}{\longrightarrow}\) complex \(\stackrel{\mathrm{H}_{3} \mathrm{O}^{+}}{\longrightarrow}\) Benzaldehyde

1 Stephen reaction
2 Rosenmund reaction
3 Etard reaction
4 Wolff - Kishner reaction