Saccharin contains
carbon and hydrogen
carbon, oxygen and hydrogen
carbon, hydrogen, oxygen and nitrogen
carbon, hydrogen, sulphur, nitrogen and oxygen
Dehydration of alcohol involves
carbene
carbanion
free radical
carbonium ion
D.
carbonium ion
The dehydration reaction of alcohols to generate alkene proceeds by heating the alcohols in the presence of a strong acid, such as sulfuric or phosphoric acid, at high temperatures. It involves carbonium ion in its mechanism.
A sample of CHCl3 before using as an anaesthetic is tested by
AgNO3 solution after boiling with KOH
Ammonical cuprous chloride
Fehling solution
AgNO3
Which of the following possess highest melting point?
p-dichlorobenzene
m-dichlorobenzene
o-dichlorobenzene
chlorobenzene
Propionic acid and KOH reacts to produce which one of the following?
Potassium propionate
Propyl alcohol
Propionaldehyde
Does not react
When calcium acetate is distilled, it will produce which of the following compound?
CH3COOH
CH3CHO
CH3COCH3
All of these