Why commercial `HNO_3` is generally yellow in colour ? – InterviewSolution

InterviewSolution

1.	Why commercial `HNO_3` is generally yellow in colour ?
Answer» Commercial `HNO_3` due to impurity of dissolved `NO_2` in it, appears yellow on colour. `NO_2` is produced by photochemical decomposition of `HNO_3`. `4HNO_3 overset (hv)rarr 4NO_2 + 2H_2O + O_2`.

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