Name the gas liberated when zinc reacts with dil.HNO3... is it H2? Share with your friends Share 1 Gaurav Singh answered this Dear Student N2O gas is liberated when zinc reacts with dilute HNO 3 . Regards 5 View Full Answer Arunav answered this Yes.. Hydrogen is released but concentrated nitric acid is an oxidizing agent. So. as soon as hydrogen is formed. It oxidizes it to water. But this oxidation will not occur if nitric acid is dilute 0
