Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which is the simplest member of aldehyde group?
Actaldehyde
Formaldehyde
Pentanaldehyde
Acraldehyde
Which of the following is a coenzyme?
Aldehyde
Ketone
Pyridoxine
Pyridoxal
Which of the following is used as urinary antiseptic?
Hexa methylene tetramine
Hydrobenzamide
Di acetone amine
Hydroxylamine
Name the reaction in which alkyl cyanide is converted to acetaldehyde.
Rosenmund’s reduction
Sandmayer reaction
Fredal& crafts reaction
Stephen’s reaction
What is the general formula for aldehydes?
R-CHO
R-CO-R
c) R3-C-OH
d)) R-COOH
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?
Acetaldehyde
Aldol
Crotonaldehyde
What is obtained on heating aldol derived from acetaldehyde?
Cyanohydrin
Oxime
Hydrazine
Aldehydes and ketones react with HCN to form
amine