The most reactive compound towards formation of cyanohydrin on treatment with HCN followed by acidification is
benzaldehyde
p- nitrobenzaldehyde
phenylacetaldehyde
p-hydroxybenzaldehyde
If heavy water is taken as solvent instead of normal water while performing Cannizzaro reaction, the products of the reaction are
RCOO- + RCH2OH
RCOO- + RCD2OD
RCOOD + RCD2OD
Benzaldehyde reacts with ammonia to form.
benzaldehyde ammonia
urotropine
hydrobenzamide
ammonium chloride
Ethy methyl ketone is obtained by heating calcium salts of
Formic acid + propionic acid
Acetic acid + propionic acid
Acetic acid + methanoic acid
Acetic acid only
The formula of chloral is
CHCI3
CH2CICHO
CCI3CHO
C6H5CH2OH
Oxidation of acetaldehyde with selenium dioxide produces
ethanoic acid
methanoic acid
glyoxal
oxalic acid
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
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
Aldehydes and ketones are differentiated by using
NaOH/I2
NaHSO3
AgNO3/NH4OH
NH2. NH2