What do you understand by a lone pair of electrons?
A lone pair of the electron are those valence electrons which do not take part in bonding. They also are known as a non-bonding electron.
Name the gas that is produced in the following cases:
Action of cold and dilute nitric acid on copper.
Name the gas that is produced in the following cases:
Sulphur is oxidized by concentrated nitric acid.
Name the gas that is produced in the following cases:
At the anode during the electrolysis of acidified water.
Give a reason for the following:
The conductivity of dilute hydrochloric acid is greater than that of acetic acid.
Name the gas that is produced in the following cases:
The action of dilute hydrochloride acid on sodium sulphide.