CBSE Class 12-science Answered
The magnetic moment for two complexes of empirical formula Ni(NH3)4 (NO3)2.2H2O is zero and 2.84 BM repectively. The second complex is not a neutral complex. The correct formula and geometry of the first complex is :
(1)
[Ni(H2O)2(NO3)2].4NO3 = Tetrahedral
(2)
[Ni(NH3)4] (NO3)2.2H2O = Tetrahedral
(3)
[Ni(NH3)4](NO3)2.2H2O = Square planar
(4)
[Ni(NH3)4(H2O)2](NO3)2 = Octahedral
Asked by Atulcaald | 16 May, 2018, 02:47: PM
Expert Answer
Ans. Option C
|
No. |
Complex |
Geometry |
Oxidation state |
Electronic configuration |
Magnetic moment |
|||||
|
(1) |
[Ni(H2O)2(NO3)2].4NO3 |
Tetrahedral Sp3 |
+2 |
d8
|
2.83
|
|||||
|
(2) |
[Ni(NH3)4] (NO3)2.2H2O |
Tetrahedral Sp3 |
+2 |
d8
|
2.83
|
|||||
|
(3) |
[Ni(NH3)4](NO3)2.2H2O |
Square planar dsp2 |
+2 |
d8
|
0
|
|||||
|
(4) |
[Ni(NH3)4(H2O)2](NO3)2 |
Octahedral Sp3d2 |
+2 |
d8
|
2.83
|
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