`SO_2` has acidic character. Explain.

Mn (Atomic No.25) metal is with maximum paramagnetic character. Explain with electronic configuration.

Why do HCI, HNO_3 etc, show acidic characters in aqueous solutions while solutions of compunds like alcohol and glucose do not show acidic character?

CrO_3 is an acid anhydride. Explain.

The oxoacid of halogen having maximum acidic character is

Explain the acidic character of Perchloric acid compared to sulphuric acid.

Among the hydrides of the members of oxygen family, which has weakest acidic character .

Compare the acidic characters of primary, secondary and tertiary alcohols.