Aldehydes and ketones are differentiated by using
NaOH/I2
NaHSO3
AgNO3/NH4OH
NH2. NH2
Identify the reaction which is used to obtain β-hydroxy ketone.
Condensation reaction
Aldol condensation
Cross aldol condensation
Canizzaro reaction
Which one of the following produced when acetone is saturated with HCI gas?
Acetone alcohol
Phorone
Mesityl oxide
Benzene
The product of this reaction is
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-
Benzophenone can be converted into benzene using
fused alkali
anhydrous AICI3
sodium amalgam in water
acidified dichromate
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
Benzaldehyde and acetone can be best distinguished using.
Fehling's solution
Sodium hydroxide solution
2,4-DNP
Tollen's reagent
Which one of the following does not form sodium bisulphite addition product with sodium bisulphite solution?
CH2O
C6H5COCH3
C6H5CHO
CH3CHO
The reaction by which benzaldehyde is converted in benzyl alcohol, is
Fittig reaction
Cannizzaro reaction
Wurtz reaction
aldol condensation
