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Grade: 11
        Which of the following has the maximum number of unpaired electrons ?

a. Mg2+
b. Ti3+
c. V3+
d. Fe2+
5 years ago

Answers : (3)

Navjyot Kalra
askIITians Faculty
654 Points
							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

						
5 years ago
aadi
26 Points
							
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
2 years ago
suprit naik
28 Points
							
 
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
11 months ago
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