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(a)Explain why, metals usually do not liberate hydrogen gas with dilute nitric acid.
(b)Name two metals which can, however, liberate hydrogen gas from very dilute nitric acid.
(a) Metals usually do not liberate hydrogen gas with dilute nitric acid because nitric acid is a strong oxidizing agent so it oxidizes the hydrogen to water.
(b) Magnesium (Mg) and manganese (Mn) are the two metals that liberate hydrogen gas from very dilute nitric acid.
Updated on: 10-Oct-2022
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