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

323832 Compound 'A' is \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{COO}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\xrightarrow[{\left( {\text{2}} \right)\,{{\text{H}}_{\text{2}}}{\text{O}}\,}]{{\left( {\text{1}} \right)\,\,{\text{DIBAL - H}}}}{\text{A}}{\text{.}}\)

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\)
2 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323833 An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as

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

323834 The reaction
supporting img

1 Rosenmund's reaction
2 Stephen's reaction
3 Cannizzaro's reaction
4 Gattermann-Koch reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323835 Which of the following reagents is used in the reaction shown below?
Benzoyl chloride \(\stackrel{?}{\longrightarrow}\) Benzaldehyde

1 DIBAl - H
2 \(\mathrm{SnCl}_{2} / \mathrm{HCl}\)
3 \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}\)
4 Dimethyl cadmium
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323832 Compound 'A' is \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{COO}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\xrightarrow[{\left( {\text{2}} \right)\,{{\text{H}}_{\text{2}}}{\text{O}}\,}]{{\left( {\text{1}} \right)\,\,{\text{DIBAL - H}}}}{\text{A}}{\text{.}}\)

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\)
2 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323833 An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as

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

323834 The reaction
supporting img

1 Rosenmund's reaction
2 Stephen's reaction
3 Cannizzaro's reaction
4 Gattermann-Koch reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323835 Which of the following reagents is used in the reaction shown below?
Benzoyl chloride \(\stackrel{?}{\longrightarrow}\) Benzaldehyde

1 DIBAl - H
2 \(\mathrm{SnCl}_{2} / \mathrm{HCl}\)
3 \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}\)
4 Dimethyl cadmium
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323832 Compound 'A' is \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{COO}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\xrightarrow[{\left( {\text{2}} \right)\,{{\text{H}}_{\text{2}}}{\text{O}}\,}]{{\left( {\text{1}} \right)\,\,{\text{DIBAL - H}}}}{\text{A}}{\text{.}}\)

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\)
2 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323833 An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as

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

323834 The reaction
supporting img

1 Rosenmund's reaction
2 Stephen's reaction
3 Cannizzaro's reaction
4 Gattermann-Koch reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323835 Which of the following reagents is used in the reaction shown below?
Benzoyl chloride \(\stackrel{?}{\longrightarrow}\) Benzaldehyde

1 DIBAl - H
2 \(\mathrm{SnCl}_{2} / \mathrm{HCl}\)
3 \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}\)
4 Dimethyl cadmium
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323832 Compound 'A' is \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{COO}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}\xrightarrow[{\left( {\text{2}} \right)\,{{\text{H}}_{\text{2}}}{\text{O}}\,}]{{\left( {\text{1}} \right)\,\,{\text{DIBAL - H}}}}{\text{A}}{\text{.}}\)

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CHO}\)
2 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHO}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}\)
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323833 An acylchloride is hydrogenated over catalyst palladium on barium sulphate to form an aldehyde. This reaction is called as

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

323834 The reaction
supporting img

1 Rosenmund's reaction
2 Stephen's reaction
3 Cannizzaro's reaction
4 Gattermann-Koch reaction
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323835 Which of the following reagents is used in the reaction shown below?
Benzoyl chloride \(\stackrel{?}{\longrightarrow}\) Benzaldehyde

1 DIBAl - H
2 \(\mathrm{SnCl}_{2} / \mathrm{HCl}\)
3 \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{BaSO}_{4}\)
4 Dimethyl cadmium