71.

Mutarotation is not exhibited by

• sucrose

• glucose

• maltose

• fructose

Phenol reacts with dilute nitric acid at normal temperature to form

• o-nitrophenol

• m-nitrophenol

• o-and p-nitropheno

• 2, 4, 6-trinitrophenol

No new C-C bond is formed in

• Cannizaro reaction

• Reimer- Tiemann reaction

• Wurtz reaction

• Aldol condensation

Which of the following compounds does not give Friedel-Craft's reaction ?

• benzene

• xylene

• nitrobenzene

• phenol

Which is not present in Grignard reagent ?

• Methyl group

• Magnesium ion

• Halogen atom

• Carboxylic group