Monobasic acid
A monobasic acid is an acid that has only one hydrogen ion to donate to a base in an acid-base reaction. Therefore, a monobasic molecule has only one replaceable hydrogen atom. Examples are HCl, HNO3, HF and HBr.
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Wikipedia
A monobasic acid is an acid that has only one hydrogen ion to donate to a base in an acid-base reaction. Therefore, a monobasic molecule has only one replaceable hydrogen atom. Examples are HCl, HNO3, HF and HBr.