Which of the following compound acts as a catalytic poison in rosenmund's reaction?
Vanadium pentoxide
Sponge ion
Nickel
Barium sulphate
Which among the following will give primary alcohol on Grignard addition?
Formaldehyde
Acetaldehyde
Aldol
Crotonaldehyde
What will be obtained when Tollen’s reagent is reduced by aldehydes?
Silver nitrate
Metallic silver
Red cuprous oxide
Paraldehyde
Aldehydes and ketones react with HCN to form
Hydroxylamine
Hydrazine
Cyanohydrin
amine
Which of the following is utilized for obtaining ketone through dry distillation?
Calcium formate
Calcium phosphate
Calcium salt
Calcium
Which of the following is not exhibited by ketones?
Chain isomerism
Metamerism
Functional isomerism
Positional isomerism
What differs aldehyde from ketones?
Double bonded structure
Hydrogen atom bonded to carbonyl group
Oxidation property
Reduction property
Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
Higher members of ketones and aldehydes are
Waxy solids
Volatile liquids
Volatile gas
Crystalline solids
In which compound two halogen atoms are attached to the same carbon?
Gem dihalide
Ozonide
Dialkyl cadmium
Acetylene
