Organic Chemistry Questions and Answers – Preparation of Ketones | Organic Chemistry Multiple Choice Questions and Answers

Questions
1 What is the end product in the following sequence of reaction?

Organic Chemistry

A Acetic acid
B Isopropyl alcohol
C Acetone
D Ethanol

Answer:Acetone
2 Acetophenone is prepared from which reaction?
A Rosenmund reaction
B Sandmayer reaction
C Wurtz reaction
D Friedel craft reaction

Answer: Friedel craft reaction
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3 Compound which gives acetone on ozonolysis is?
A CH3−CH=CH−CH3
B (CH3)2C=C(CH3)2
C C6H5CH=CH2
D CH3CH=CH2

Answer: (CH3)2C=C(CH3)2
4 Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction?
A Glyoxal
B Cyclohexane
C Acetophenone
D Hexabromo cyclohexane

Answer: Acetophenone
5 Ketones can be prepared in one step from which of the following process?
A Hydrolysis of esters
B Oxidation of primary alcohol
C Oxidation of secondary alcohol
D Reaction of acid halide with alcohols

Answer: Oxidation of secondary alcohol
6 Ketones are prepared by which of the following name reaction?
A Clemmensen’s reduction
B Cannizzaro reaction
C Rosenmund’s reduction
D Oppenaur’s oxidation

Answer:Oppenaur’s oxidation
7 Isopropyl alcohol on oxidation gives which of the following?
A Acetone
B Acetaldehyde
C Ether
D Ethylene

Answer: Acetone
8 Dry heating of calcium acetate gives which of the following?
A Acetaldehyde
B Ethane
C Acetic acid
D Acetone

Answer: Acetone
9 Which of the following compound gives a ketone with Grignard reagent?
A Formaldehyde
B Ethyl alcohol
C Methyl cyanide
D Methyl iodide

Answer: Methyl cyanide
10 Propyne on hydrolysis in presence of HCl and HgSO4 gives which of the following?
A Acetaldehyde
B Acetone
C Formaldehyde
D Acetophenone

Answer: Acetone

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