Organic Chemistry

Which is not polynuclar hydrocarbon

• Benzene

• Anthracene

• Naphthalene

• Phenanthrene

How many resonating structures possible in benzene?

• 5

• 3

• 6

• 7

Friedel Craft reaction is not possible in

• nitrobezene

• toluene

• anisole

• acetinalide

Which mthod is best

• Friedel craft reaction

• Friedel craft alkylation

• Fridel craft acylation

• Fridel craft acylation then clemenson reduction

Howarth Synthesis is not applicable for substituted naphthalene preparation

• Nitrobenzene

• Toluene

• Anisole

• Chlorobenzene

The number of resonating structure in naphthalene -------

The starting materials for Howarth synthesis of 1,6-dimethyle naphthalene is

• 1-tetralone

• 2-tetralone

• Toluene

• 1,3 dimethyle benzene

Correct name is

• 1,6 dimethoxy naphthalene

• 1,5 dimethoxy naphthalene

• 1,7 dimethoxy naphthalene

• 1,8 dimethoxy naphthalene

Give the name of intermediate in the Howarth synthesis

• 1-tertralone

• Malic anhydride

• 1-tetratalol

• Naphthalene

Which ring is retained after KMnO4 Oxidation

• A

• B

• Both ring

• No ring