An acid is said to be monobasic, dibasic, tribasic, &c., according to the number of replaceable hydrogen atoms; thus HNO 3 is monobasic, sulphuric acid H 2 SO 4 dibasic, phosphoric acid H 3 PO 4 tribasic.
THIAZOLES, in organic chemistry, a series of heterocyclic compounds containing the grouping shown below; the replaceable hydrogen atoms in which are designated a, (3 and µ.
For these only will the symbolic product be replaceable by a linear function of products of real coefficients.
The triazoles behave as weak bases, the imido-hydrogen being replaceable by metal.
How would you define replaceable? Add your definition here.