Q.1.
The oxidation of toluene to benzaldehyde by chromyl chloride is called as which of the following?
- a) Cannizzaro reaction
- b) Wurtz reaction
- c) Etard reaction
- d) Reimer-Tiemann reaction
Q.2.
Benzaldehyde can be prepared by oxidation of toluene by which of the following reagent?
- a) Acidic KMnO4
- b) K2Cr2O7
- c) CrO2Cl2
- d) basic KMnO4
Q.3.
The oxidation of benzyl chloride with lead nitrate gives which of the following compound?
- a) Benzaldehyde
- b) Benzyl alcohol
- c) Benzoic acid
- d) p-chlorobenzaldehyde
Q.4.
Which of the following is the commercial method of preparation of benzaldehyde?
- a) Oxidation of toluene
- b) Oxidation of benzyl chloride
- c) Oxidation of benzyl alcohol
- d) Etard reaction
Q.5.
Which of the following is the not a method of preparation of benzaldehyde?
- a) Gattermann Koch synthesis
- b) Etards reaction
- c) Stephan’s reaction
- d) Oxidation of secondary alcohol
Q.6.
What reagents will be used in the preparation of benzaldehyde via Gattermann Koch synthesis?
- a) Carbon dioxide and HCl
- b) Carbon monoxide and HCl
- c) Oxygen and H2SO4
- d) Carbon monoxide and H2SO4
Q.7.
Partial reduction of phenyl cyanide with stannous chloride and passing dry HCl gas in ether solution followed by hydrolysis of the aldimine stannic chloride with water to form benzaldehyde is called as which of the following method of preparation of benzaldehyde?
- a) Gattermann Koch synthesis
- b) Etards reaction
- c) Stephan’s reaction
- d) Gattermann reaction
Q.8.
Ozonolysis of styrene will lead leads to formation of benzaldehyde along which compound?
- a) O2
- b) H2O2
- c) HCHO
- d) H2O2 and HCHO
Q.9.
Which of the following cannot be used in formation of benzaldehyde by Grignard reagent?
- a) HCN
- b) Carbon monoxide
- c) Ethyl format
- d) HNC
Q.10.
What is the laboratory method for the formation of benzaldehyde?
- a) Gattermann Koch synthesis
- b) Etards reaction
- c) Stephan’s reaction
- d) Oxidation of benzyl chloride
Q.11.
Formation of aromatic ketone forms from benzene by CH3COCl?
- a) Friedal craft alkylation
- b) Friedal craft dealkylation
- c) Friedal craft acylation
- d) Friedal craft hydroxyalkylation
Q.12.
What will be the product for the given reaction?
- a) Propanone
- b) Acetophenone
- c) Diphenylmethanone
- d) Aliphatic and aromatic
Q.13.
What will be the product of the given reaction?
- a) Propanone
- b) Acetophenone
- c) Diphenylmethanone
- d) Aliphatic and aromatic
Q.14.
Which reactant can be used to form aromatic ketone for the following reaction?
- a) Arenes
- b) Aldehyde
- c) Alcohol
- d) Terperens
Q.15.
Aromatic ketones were synthesized from aromatic compounds via liquid‐phase oxidation at°C and 1 atm over vanadium‐containing which catalyst?
- a) MCM-41
- b) MCM-48
- c) ZSM-5
- d) ZK-5
Q.16.
Which of the following cannot be used as reactant in preparation of aromatic ketones from diazonium salt?
- a) formaldoxime
- b) Acetaldoxime
- c) propionaldoxime
- d) Terpernes