The correct name for the chemical formula HNO3 is nitric acid.
Nitric acid is a highly corrosive and strong mineral acid. It is commonly used in the production of fertilizers, explosives, and in the chemical industry. The name ‘nitric’ refers to the presence of nitrogen in the molecule, which is oxidized to form the acid. It is important to note that nitrous acid is represented by the formula HNO2, which is a different compound altogether. Therefore, the answer is b) nitric acid.