Identify the reaction which is used to obtain β-hydroxy ketone.
Condensation reaction
Aldol condensation
Cross aldol condensation
Canizzaro reaction
The reaction by which benzaldehyde is converted in benzyl alcohol, is
Fittig reaction
Cannizzaro reaction
Wurtz reaction
aldol condensation
Benzaldehyde and acetone can be best distinguished using.
Fehling's solution
Sodium hydroxide solution
2,4-DNP
Tollen's reagent
The correct sequence of step involved in the mechanism of Cannizzaro's reaction is
nucleophilic attack, transfer of H- and transfer of H+
transfer of H-, transfer of H+ and nucleophilic attack
transfer of H+, nucleophilic attack
electrophilic attack by OH-, transfer of H+ and transfer of H-
Aldehyde are the first oxidation product of
Primary alcohol
Secondary alcohol
tertiary alcohol
dihydric alcohol
The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is
benzaldehyde
p- nitrobenzaldehyde
phenylacetaldehyde
p-hydroxybenzaldehyde
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
CH2O
C6H5COCH3
C6H5CHO
CH3CHO
Cannizzaro's reaction is not given by
CCI3CHO
HCHO
Fehling A and Fehling B are
CuSO4 solution and NH4OH solution
CuSO4 solution and alkaline solution of sodium potassium tartarate
CuSO4 solution and alkaline solution of sodium citrate
CuSO4 solution and NaOH
When ethanal is treated with Fehling's solution, it gives a precipitate of
Cu2O
Cu
Cu3O
CuO