81.

Secondary nitroalkanes can be converted into ketones by using Y. Identify Y from the following

• aqueous HCl

• aqueous NaOH

• KMnO₄

• CO

Alkyl cyanides undergo Stephen reduction to produce

• aldehyde

• secondary amine

• primary amine

• amide

Reaction of PCl₃ and PhMgBr would give

• bromobenzene

• chlorobenzene

• triphenylphosphine

• dichlorobenzene

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

Identify the reactant.

• H₂O

• HCHO

• CO

• CH₃CHO

Maleic acid and fumaric acid are

• position isomers

• geometric isomers

• enantiomers

• functional isomers

Aldol condensation is given by

• trimethylacetaldehyde

• acetaldehyde

• benzaldehyde

• formaldehyde

Give the IUPAC name for

${\mathrm{H}}_3\mathrm{C}-{\mathrm{CH}}_2-\mathrm{CO}-{\mathrm{H}}_2\mathrm{C}-{\mathrm{CH}}_2-\mathrm{CO}-{\mathrm{OCH}}_3$

• ethyl-4-oxoheptanoate

• methyl-4-oxoheptanoate

• ethyl-4-oxohexanoate

• methyl-4-oxohexanoate