Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
Which of the following is not an aromatic aldehyde?
Benzaldehyde
Phenyl acetaldehyde
Cinnamaldehyde
Acetaldehyde
In which compound two halogen atoms are attached to the same carbon?
Gem dihalide
Ozonide
Dialkyl cadmium
Acetylene
Which of the following is hypnotic?
Paraformaldehyde
Paraldehyde
Salicylaldehyde
What is obtained on heating aldol derived from acetaldehyde?
Cyanohydrin
Crotonaldehyde
Oxime
Hydrazine
Which among the following will give primary alcohol on Grignard addition?
Formaldehyde
Aldol
What differs aldehyde from ketones?
Double bonded structure
Hydrogen atom bonded to carbonyl group
Oxidation property
Reduction property
Which catalyst is used for catalytic oxidation to obtain aldehyde or ketone?
Vanadium pentoxide
Platinized asbestos
Sponge ion
Silver catalyst
Reduction of aldehydes and ketones to hydrocarbons is
Wolff kishner reduction
Clemmenson reduction
Rosenmund’s reduction
Cannizaro reaction
Which of the following can give ketones?
Primary alcohols
Secondary alcohols
Tertiary alcohol
None of these
