Consider the following ions 1 . Ni 2+ 2 . Co 2+ 3 . Cr 2+ 4 . Fe 3+ (Atomic number : Cr =…
Chemistry · JEE Main · NTA Exams — Atomic Structure
Consider the following ions
1 . Ni2+ 2 . Co2+ 3 . Cr2+ 4 . Fe3+
(Atomic number : Cr = 24, Fe = 26, Co = 27 and Ni = 28)
The correct sequence of increasing number of unpaired
electrons in these ions is
1 . Ni2+ 2 . Co2+ 3 . Cr2+ 4 . Fe3+
(Atomic number : Cr = 24, Fe = 26, Co = 27 and Ni = 28)
The correct sequence of increasing number of unpaired
electrons in these ions is
- 1, 2, 3, 4
- 4, 2, 3, 1
- 1, 3, 2, 4
- 3, 4, 2, 1
Answer
(A) 1, 2, 3, 4
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