Which among the following will give primary alcohol on Grignard addition?
Formaldehyde
Acetaldehyde
Aldol
Crotonaldehyde
Which of the following is the odd one?
Acidified potassium dichromate
Potassium permanganate
Tollen’s reagent
Formic acid
Which of the following is used as urinary antiseptic?
Hexa methylene tetramine
Hydrobenzamide
Di acetone amine
Hydroxylamine
What is the general formula for aldehydes?
R-CHO
R-CO-R
c) R3-C-OH
d)) R-COOH
What is the IUPAC name of benzaldehyde?
Methanol
Ethanol
Phenyl methanal
2-butenal
Which of the following can give ketones?
Primary alcohols
Secondary alcohols
Tertiary alcohol
None of these
Which is the simplest member of aldehyde group?
Actaldehyde
Pentanaldehyde
Acraldehyde
Higher members of ketones and aldehydes are
Waxy solids
Volatile liquids
Volatile gas
Crystalline solids
Which of the following is hypnotic?
Paraformaldehyde
Paraldehyde
Salicylaldehyde
Cinnamaldehyde
Name the reaction in which alkyl cyanide is converted to acetaldehyde.
Rosenmund’s reduction
Sandmayer reaction
Fredal& crafts reaction
Stephen’s reaction
