Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Chemistry Redox Reactions Oxidation Number And Oxidation State
Which of the following pair of chemical species have different oxidation states ?
1
H2S and \(\rm S_2^{2-}\)
2
NF3 and HNO2
3
N2 and S8
4
HS- and \(\rm S^{2-}\)