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Which of the following has the maximum number of unpaired electrons ? a. Mg2+ b. Ti3+ c. V3+ d. Fe2+

Which of the following has the maximum number of unpaired electrons ?
a. Mg2+
b. Ti3+
c. V3+
d. Fe2+

Grade:11

4 Answers

Navjyot Kalra
askIITians Faculty 654 Points
6 years ago
Sol. Mg2+ : 1s2 2s2 2p6 : no unpaired electron Ti3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : one unpaired electron V3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : two unpaired electrons Fe2+ : 1s2 2s2 2p6 3s2 3p6 3d1 : four unpaired electrons
aadi
26 Points
3 years ago
Sol. Mg2+ : 1s2 2s2 2p6 : no unpaired electron Ti3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : one unpaired electron V3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : two unpaired electrons Fe2+ : 1s2 2s2 2p6 3s2 3p6 3d6 : four unpaired electrons
suprit naik
28 Points
2 years ago
 
Sol. Mg2+ : 1s2 2s2 2p6 : no unpaired electron Ti3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : one unpaired electron V3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : two unpaired electrons Fe2+ : 1s2 2s2 2p6 3s2 3p6 3d1 : four unpaired electrons
Kushagra Madhukar
askIITians Faculty 629 Points
9 months ago
Dear student,
Please find the attached answer to your question.
Mg2+ : 1s2 2s2 2p6 : no unpaired electron
Ti3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : 1 unpaired electron
V3+ : 1s2 2s2 2p6 3s2 3p6 3d1 : 2 unpaired electrons
Fe2+ : 1s2 2s2 2p6 3s2 3p6 3d1 : 4 unpaired electrons
Hence, d) Fe2+ is the correct option
Hope it helps
Thanks and regards,
Kushagra

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