Match the reactions of metal with dil HNO3 (in Column - I) with nitrogen compounds obtained by oxidation/reduction (Column - II)
Column–IColumn−IIIMg + dil. HNO3PNOIIZn + dil. HNO3QH2IIICu + dil. HNO3RN2OIVPb + conc. HNO3SNO2
I - Q, II - R, III - P, IV - S
I - Q, II - R, III - P, IV - S