P-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form the compound B. The latter on acidic hydrolysis gives chiral carboxylic acid. The structure of the carboxylic acid is

When acetone is treated with dilute alkali, the product obtained is

• mesitylene

• mesityl oxide

• paraldehyde

• phorone

Hydride ion transfer takes place in

• Frankland method

• Wurtz reaction

• Cannizaro's reaction

• Wolff- Kishner reduction

An organic compound C₃H₆O neither gives precipitate with semicarbazide nor reacts with sodium. It could be

• CH₃CH₂CHO

• CH₃COCH₃

• CH₂=CHCH₂OH

• CH₂=CHOCH₃

Lewisite, a chemical used inchemical warfare, is obtained from

• phosphene

• acetylene

• ethylene

• zinc phosphate

Ketone upon treatment with Grignard reagents gives

• primary alcohol

• secondary alcohol

• tertiary alcohol

• aldehyde

The reaction of sodium ethoxide with iodoethane to form diethyl etheris termed as

• electrophilic substitution

• nucleophilic substitution

• electrophilic addition

• radical substitution

Which of the following compounds would be the main product of an aldol condensation of acetaldehyde and acetone ?

• CH₃CH=CHCHO

• CH₃CH=CHCOCH₃

• (CH₃)₂C= CHCHO

• (CH₃)₂C= CHCOCH₃

When benzaldehyde is treated with acetic anhydride, in the presence of corresponding salt of the acid, the product obtained is

• cinnamic acid

• cinnamaldehyde

• crotonic acid

• benzillic acid

Cannizaro as well as aldol condensation reaction is given by

• benzaldehyde

• 2- methylpropanal

• 2,2-dimethylpropanal

• acetaldehyde