Which of the following is utilized for obtaining ketone through dry distillation?
Calcium formate
Calcium phosphate
Calcium salt
Calcium
What is the general formula for acetaldehyde?
RCHO
RC=O
RCH3
RCOOH
What is needed to be reacted with aldehydes and ketones to obtain cyanohydrin ?
Hydroxylamine
Hydrazine
Hydrogen cyanide
Bromide
What will be obtained when Tollen’s reagent is reduced by aldehydes?
Silver nitrate
Metallic silver
Red cuprous oxide
Paraldehyde
Which of the following is not an aromatic aldehyde?
Benzaldehyde
Phenyl acetaldehyde
Cinnamaldehyde
Acetaldehyde
What is the IUPAC name of benzaldehyde?
Methanol
Ethanol
Phenyl methanal
2-butenal
Which is the simplest member of aldehyde group?
Actaldehyde
Formaldehyde
Pentanaldehyde
Acraldehyde
Which of the following is a catalytic poison?
Vanadium pentoxide
Sponge ion
Nickel
Barium sulphate
To which category does higher members of ketones and aldehydes belong to
Waxy solids
Volatile liquids
Volatile gas
Crystalline solids
What is obtained on heating aldol?
Cyanohydrin
Crotonaldehyde
Oxime
