The reaction by which benzaldehyde is converted in benzyl alcohol, is
Fittig reaction
Cannizzaro reaction
Wurtz reaction
aldol condensation
Benzaldehyde reacts with ammonia to form.
benzaldehyde ammonia
urotropine
hydrobenzamide
ammonium chloride
Cannizzaro's reaction is not given by
CCI3CHO
CH3CHO
HCHO
C6H5CHO
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
CH2O
C6H5COCH3
Which one of the following produced when acetone is saturated with HCI gas?
Acetone alcohol
Phorone
Mesityl oxide
Benzene
The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is
benzaldehyde
p- nitrobenzaldehyde
phenylacetaldehyde
p-hydroxybenzaldehyde
The compound obtained when acetaldehyde reacts with dilute aqueous sodium hydroxide exhibits
geometrical isomerism
optical isomerism
neither optical nor geometrical isomerism
both optical and geometrical isomerism
Identify the reaction which is used to obtain β-hydroxy ketone.
Condensation reaction
Aldol condensation
Cross aldol condensation
Canizzaro reaction
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-
The formula of chloral is
CHCI3
CH2CICHO
C6H5CH2OH