Methods of Preparation of Aldehydes and Ketones
« Previous Topic: Isomerism Next Topic: Methods of Preparation of Carboxylic Acids »
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323819 Propane nitrile on reaction with ethylimine magnesium iodide in presence of dry ether gives complex. This imine complex on acid hydrolysis forms

1 propanone
2 2-pentanone
3 butanone
4 3-pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323820 The reduction of benzoyl chloride with \(\mathrm{Pd}\) and \(\mathrm{BaSO}_{4} / \mathrm{CaCO}_{3}\) produces

1 Benzyl chloride
2 Benzoic acid
3 Benzaldehyde
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323821 In the reaction:
\(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_{3} \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_{2}+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { con. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of \(\mathrm{X}\), formation of \(\mathrm{Y}\) and \(\mathrm{Z}\) are
known by

1 Wolff-Kishner reduction, Wurtz reaction.
2 Stephen reaction, Cannizzaro's reaction.
3 Rosenmund reduction, Cannizzaro's reaction.
4 Clemmensen reduction, Sandmeyer reaction.
KCET - 2023
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323822 Which of the following reaction is an example of Rosenmund reduction?

1 \({\text{R - CO - R}}\xrightarrow[{{\text{KOH, thyleneglycol }}}]{{{\text{N}}{{\text{H}}_{\text{2}}}{\text{ - N}}{{\text{H}}_{\text{2}}}{\text{,}}\Delta }}{\text{R - C}}{{\text{H}}_{\text{2}}}{\text{ - R}}\)
2 \({\text{R}} - {\text{CHO}}\xrightarrow[{{\text{Zn - Hg/ conc}}{\text{. HCl}}}]{\Delta }{\text{R}} - {\text{C}}{{\text{H}}_3} + {{\text{H}}_2}{\text{O}}\)
3 \({\text{R}} - {\text{CO}} - {\text{Cl}}\xrightarrow[{{\text{Pd - BaS}}{{\text{O}}_{\text{4}}}}]{{{{\text{H}}_{\text{2}}}}}{\text{R}} - {\text{CHO}} + {\text{HCl}}\)
4 \({\text{R}} - {\text{CN}}\xrightarrow[{{{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}}]{{{\text{SnC}}{{\text{l}}_{\text{2}}}{\text{/HCl}}}}{\text{R}} - {\text{CHO}} + {\text{N}}{{\text{H}}_4}{\text{Cl}}\)
MHTCET - 2021
NEET DIGITAL LIBRARY
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323819 Propane nitrile on reaction with ethylimine magnesium iodide in presence of dry ether gives complex. This imine complex on acid hydrolysis forms

1 propanone
2 2-pentanone
3 butanone
4 3-pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323820 The reduction of benzoyl chloride with \(\mathrm{Pd}\) and \(\mathrm{BaSO}_{4} / \mathrm{CaCO}_{3}\) produces

1 Benzyl chloride
2 Benzoic acid
3 Benzaldehyde
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323821 In the reaction:
\(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_{3} \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_{2}+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { con. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of \(\mathrm{X}\), formation of \(\mathrm{Y}\) and \(\mathrm{Z}\) are
known by

1 Wolff-Kishner reduction, Wurtz reaction.
2 Stephen reaction, Cannizzaro's reaction.
3 Rosenmund reduction, Cannizzaro's reaction.
4 Clemmensen reduction, Sandmeyer reaction.
KCET - 2023
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323822 Which of the following reaction is an example of Rosenmund reduction?

1 \({\text{R - CO - R}}\xrightarrow[{{\text{KOH, thyleneglycol }}}]{{{\text{N}}{{\text{H}}_{\text{2}}}{\text{ - N}}{{\text{H}}_{\text{2}}}{\text{,}}\Delta }}{\text{R - C}}{{\text{H}}_{\text{2}}}{\text{ - R}}\)
2 \({\text{R}} - {\text{CHO}}\xrightarrow[{{\text{Zn - Hg/ conc}}{\text{. HCl}}}]{\Delta }{\text{R}} - {\text{C}}{{\text{H}}_3} + {{\text{H}}_2}{\text{O}}\)
3 \({\text{R}} - {\text{CO}} - {\text{Cl}}\xrightarrow[{{\text{Pd - BaS}}{{\text{O}}_{\text{4}}}}]{{{{\text{H}}_{\text{2}}}}}{\text{R}} - {\text{CHO}} + {\text{HCl}}\)
4 \({\text{R}} - {\text{CN}}\xrightarrow[{{{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}}]{{{\text{SnC}}{{\text{l}}_{\text{2}}}{\text{/HCl}}}}{\text{R}} - {\text{CHO}} + {\text{N}}{{\text{H}}_4}{\text{Cl}}\)
MHTCET - 2021
Join With Us for More Updates
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323819 Propane nitrile on reaction with ethylimine magnesium iodide in presence of dry ether gives complex. This imine complex on acid hydrolysis forms

1 propanone
2 2-pentanone
3 butanone
4 3-pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323820 The reduction of benzoyl chloride with \(\mathrm{Pd}\) and \(\mathrm{BaSO}_{4} / \mathrm{CaCO}_{3}\) produces

1 Benzyl chloride
2 Benzoic acid
3 Benzaldehyde
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323821 In the reaction:
\(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_{3} \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_{2}+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { con. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of \(\mathrm{X}\), formation of \(\mathrm{Y}\) and \(\mathrm{Z}\) are
known by

1 Wolff-Kishner reduction, Wurtz reaction.
2 Stephen reaction, Cannizzaro's reaction.
3 Rosenmund reduction, Cannizzaro's reaction.
4 Clemmensen reduction, Sandmeyer reaction.
KCET - 2023
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323822 Which of the following reaction is an example of Rosenmund reduction?

1 \({\text{R - CO - R}}\xrightarrow[{{\text{KOH, thyleneglycol }}}]{{{\text{N}}{{\text{H}}_{\text{2}}}{\text{ - N}}{{\text{H}}_{\text{2}}}{\text{,}}\Delta }}{\text{R - C}}{{\text{H}}_{\text{2}}}{\text{ - R}}\)
2 \({\text{R}} - {\text{CHO}}\xrightarrow[{{\text{Zn - Hg/ conc}}{\text{. HCl}}}]{\Delta }{\text{R}} - {\text{C}}{{\text{H}}_3} + {{\text{H}}_2}{\text{O}}\)
3 \({\text{R}} - {\text{CO}} - {\text{Cl}}\xrightarrow[{{\text{Pd - BaS}}{{\text{O}}_{\text{4}}}}]{{{{\text{H}}_{\text{2}}}}}{\text{R}} - {\text{CHO}} + {\text{HCl}}\)
4 \({\text{R}} - {\text{CN}}\xrightarrow[{{{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}}]{{{\text{SnC}}{{\text{l}}_{\text{2}}}{\text{/HCl}}}}{\text{R}} - {\text{CHO}} + {\text{N}}{{\text{H}}_4}{\text{Cl}}\)
MHTCET - 2021
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323819 Propane nitrile on reaction with ethylimine magnesium iodide in presence of dry ether gives complex. This imine complex on acid hydrolysis forms

1 propanone
2 2-pentanone
3 butanone
4 3-pentanone
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323820 The reduction of benzoyl chloride with \(\mathrm{Pd}\) and \(\mathrm{BaSO}_{4} / \mathrm{CaCO}_{3}\) produces

1 Benzyl chloride
2 Benzoic acid
3 Benzaldehyde
4 All of these
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323821 In the reaction:
\(\mathrm{C}_{6} \mathrm{H}_{5} \mathrm{CN} \xrightarrow[\text { (ii) } \mathrm{H}_{3} \mathrm{O}^{+}]{\text {(i) } \mathrm{SnCl}_{2}+\mathrm{HCl}} \mathrm{X} \xrightarrow{\text { con. } \mathrm{KOH}} \mathrm{Y}+\mathrm{Z}\),
Formation of \(\mathrm{X}\), formation of \(\mathrm{Y}\) and \(\mathrm{Z}\) are
known by

1 Wolff-Kishner reduction, Wurtz reaction.
2 Stephen reaction, Cannizzaro's reaction.
3 Rosenmund reduction, Cannizzaro's reaction.
4 Clemmensen reduction, Sandmeyer reaction.
KCET - 2023
CHXII12:ALDEHYDES KETONES AND CARBOXYLIC ACIDS

323822 Which of the following reaction is an example of Rosenmund reduction?

1 \({\text{R - CO - R}}\xrightarrow[{{\text{KOH, thyleneglycol }}}]{{{\text{N}}{{\text{H}}_{\text{2}}}{\text{ - N}}{{\text{H}}_{\text{2}}}{\text{,}}\Delta }}{\text{R - C}}{{\text{H}}_{\text{2}}}{\text{ - R}}\)
2 \({\text{R}} - {\text{CHO}}\xrightarrow[{{\text{Zn - Hg/ conc}}{\text{. HCl}}}]{\Delta }{\text{R}} - {\text{C}}{{\text{H}}_3} + {{\text{H}}_2}{\text{O}}\)
3 \({\text{R}} - {\text{CO}} - {\text{Cl}}\xrightarrow[{{\text{Pd - BaS}}{{\text{O}}_{\text{4}}}}]{{{{\text{H}}_{\text{2}}}}}{\text{R}} - {\text{CHO}} + {\text{HCl}}\)
4 \({\text{R}} - {\text{CN}}\xrightarrow[{{{\text{H}}_{\text{3}}}{{\text{O}}^{\text{ + }}}}]{{{\text{SnC}}{{\text{l}}_{\text{2}}}{\text{/HCl}}}}{\text{R}} - {\text{CHO}} + {\text{N}}{{\text{H}}_4}{\text{Cl}}\)
MHTCET - 2021
NEET DIGITAL LIBRARY