Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which of the following is hypnotic?
Paraformaldehyde
Paraldehyde
Salicylaldehyde
Cinnamaldehyde
Which of the following is not an aromatic aldehyde?
Benzaldehyde
Phenyl acetaldehyde
Acetaldehyde
Reduction of aldehydes and ketones to hydrocarbons is
Wolff kishner reduction
Clemmenson reduction
Rosenmund’s reduction
Cannizaro reaction
Which of the following compound acts as a catalytic poison in rosenmund's reaction?
Vanadium pentoxide
Sponge ion
Nickel
Barium sulphate
What is the general formula for aldehydes?
R-CHO
R-CO-R
c) R3-C-OH
d)) R-COOH
What is obtained on heating aldol derived from acetaldehyde?
Cyanohydrin
Crotonaldehyde
Oxime
Hydrazine
Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
Which is the simplest member of aldehyde group?
Actaldehyde
Formaldehyde
Pentanaldehyde
Acraldehyde
Which of the following is not exhibited by ketones?
Chain isomerism
Metamerism
Functional isomerism
Positional isomerism