Which among the following will give primary alcohol on Grignard addition?
Formaldehyde
Acetaldehyde
Aldol
Crotonaldehyde
Aldehydes and ketones react with HCN to form
Hydroxylamine
Hydrazine
Cyanohydrin
amine
Which of the following can give ketones?
Primary alcohols
Secondary alcohols
Tertiary alcohol
None of these
Name the reaction in which alkyl cyanide is converted to acetaldehyde.
Rosenmund’s reduction
Sandmayer reaction
Fredal& crafts reaction
Stephen’s reaction
Which of the following is used as urinary antiseptic?
Hexa methylene tetramine
Hydrobenzamide
Di acetone amine
What will be obtained when Tollen’s reagent is reduced by aldehydes?
Silver nitrate
Metallic silver
Red cuprous oxide
Paraldehyde
Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which class of compound includes ketones?
Amino
Ether
Carboxyl
Carbonyl
In which compound two halogen atoms are attached to the same carbon?
Gem dihalide
Ozonide
Dialkyl cadmium
Acetylene
Which catalyst is used for catalytic oxidation to obtain aldehyde or ketone?
Vanadium pentoxide
Platinized asbestos
Sponge ion
Silver catalyst