What are the chemicals used to prepare Nitric acid in laboratory?
(a) What are the chemicals used to prepare Nitric acid in laboratory?
(b) Name the process used for the industrial production of Nitric acid.
(c) Which is the gas formed by the reaction between Zinc and Concentrated Nitric acid?
(d) Pure Nitric acid is colourless. But the Nitric acid used in laboratories often has a pale yellow colour. Give reason?
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(a) Chemicals used to prepare Nitric acid in laboratory are-KNO3 and H2SO4
(b) Ostwald process
(c) NO2
(d) The pure nitric acid is colourless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.
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