The pair of Ions having same electronic configuration is
a Cr 3 plus and Fe 3 plus b Fe3 plus and Mn2 + c Fe 3 + and Ni 2 + d Sc3 + and Cr3plus
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2
Answer:'b'
Explanation: Fe3+ and Mn2+ have same electronic configuration
Answered by
2
Answer:
b fe3+ and mn2+
Explanation:
outer
electronic config of fe is 4s2 3d6 bt that of fe 3+ is 4s0 3d5 and outer elect confif of mn is 4s2 3d5 bt that of mn2+ is 4s0 3d5
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