Which of the following is a ketohexose?

• Glucose

• Sucrose

• Sucrose

• Ribose

Reaction of PCl₃ and PhMgBr would give

• bromobenzene

• chlorobenzene

• triphenylphosphine

• dichlorobenzene

Hydroboration oxidation of 4-methyl octene would give

• 4-methyl octanol

• 2-methyl decane

• 4-methyl heptanol

• 4-methyl-2-octanone

When ethyl alcohol is heated with conc. H₂SO₄, the product obtained is

• CH₃COOC₂H₅

• C₂H₂

• C₂H₆

• C₂H₄

Anisole is the product obtained from phenol by the reaction known as

• coupling

• etherification

• oxidation

• esterification

Ethylene glycol gives oxalic acid on oxidation with

• acidified K₂Cr₂O₇

• acidified KMnO₄

• alkaline KMnO₄

• periodic acid

A Wittig reaction with an aldehyde gives

• ketone compound

• a long chain fatty acid

• olefin compound

• epoxide

Cannizaro reaction is given by

• HCHO

• >C(OH)COOH

• >CHCH₂CHO

• CH₃CH₂OH

39.

Identify the reactant.

• H₂O

• HCHO

• CO

• CH₃CHO

Maleic acid and fumaric acid are

• position isomers

• geometric isomers

• enantiomers

• functional isomers