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The coordination number of Ni in the complex is 4, the configuration of Ni+2 , at first sight, shows that the complex is formed by sp 3 hybridization and it is paramagnetic and it has two unpaired electrons. However, experiments show that the complex is diamagnetic, i.e. it do not have unpaired electrons, this is possible when 3d electrons rearrange against the hund's rule as shown in the below configuration. This is also in accordance with the fact that the ligand involved here is a strong i.e. CN- ion.Hence now dsp2 hybridization, involving one 3d, one 4s and two 4p orbitals, takes place leading to four dsp2 hybrid orbitals, each of which accepts four electron pairs from CN- ion forming
[Ni (CN4)] 2 ion. Thus the resulting complex is square planar and is diamagnetic as it has no unpaired electrons.
Volumetric analysis Volumetric analysis is a quantitative analysis. It includes the measurement of the volume of a known solution needed to bring about the completion of the r
various concepts of acid and base
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
According to Aufbau's principle, which of the three 4d, 5p and 5s will be filled with electrons first: (1) 4d (2) 5d (3) 5s (4) 4d and 5s will be filled simultaneo
what is indicators
Typical conductometric titration curve for a weak aci and a strong base
Which is the most covalent: (1) C- O (2) C- Br (3) C- S (4) C-F A
Formic Acid or Methanoic acid (HCOOH) Formic acid is the very first member of monocarboxylic acids series. It takes place in the sting of bees, wasps, red ants, stinging nettle
Q. Explain Pauli Exclusion Principle? When assigning electron configurations, it is essential to consider the two important principles concerning electrons in orbitals:
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