Which of the following can give ketones?
Primary alcohols
Secondary alcohols
Tertiary alcohol
None of these
Which of the following is not an aromatic aldehyde?
Benzaldehyde
Phenyl acetaldehyde
Cinnamaldehyde
Acetaldehyde
What differs aldehyde from ketones?
Double bonded structure
Hydrogen atom bonded to carbonyl group
Oxidation property
Reduction property
What is the IUPAC name of benzaldehyde?
Methanol
Ethanol
Phenyl methanal
2-butenal
What will be obtained when Tollen’s reagent is reduced by aldehydes?
Silver nitrate
Metallic silver
Red cuprous oxide
Paraldehyde
Which is the simplest member of aldehyde group?
Actaldehyde
Formaldehyde
Pentanaldehyde
Acraldehyde
Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which among the following will give primary alcohol on Grignard addition?
Aldol
Crotonaldehyde
Aldehydes and ketones react with HCN to form
Hydroxylamine
Hydrazine
Cyanohydrin
amine
Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
