PG entrance exam IIT JAM 2025 Mock Test Chemical Sciences Chemical Periodicity

The first, second and third ionization energies (E1, E2 and E3) for an element are 7 eV, 12.5 eV and 42.5 eV respectively. The most stable oxidation state of the element will be:

1
+1
2
+4
3
+3
4
+2
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