Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
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
In which compound two halogen atoms are attached to the same carbon?
Gem dihalide
Ozonide
Dialkyl cadmium
Acetylene
Which of the following is not an aromatic aldehyde?
Benzaldehyde
Phenyl acetaldehyde
Cinnamaldehyde
Acetaldehyde
Aldehydes and ketones react with HCN to form
Hydroxylamine
Hydrazine
Cyanohydrin
amine
Which of the following is used as urinary antiseptic?
Hexa methylene tetramine
Hydrobenzamide
Di acetone amine
What is obtained on heating aldol derived from acetaldehyde?
Crotonaldehyde
Oxime
Which of the following compound acts as a catalytic poison in rosenmund's reaction?
Vanadium pentoxide
Sponge ion
Nickel
Barium sulphate
Which of the following can give ketones?
Primary alcohols
Secondary alcohols
Tertiary alcohol
None of these
