JEE Mains · Chemistry · STD 12 - 5. Co-ordination chemistry
\([Ni(PPh_{3})_{2}Cl_{2}]\) is a paramagnetic complex. Identify the INCORRECT statements about this complex.
A. The complex exhibits geometrical isomerism.
B. The complex is white in colour.
C. The calculated spin-only magnetic moment of the complex is 2.84 BM.
D. The calculated CFSE (Crystal Field Stabilization Energy) of Ni in this complex is \(-0.8 \Delta_0\).
E. The geometrical arrangement of ligands in this complex is similar to that in \(Ni(CO)_{4}\).
Choose the correct answer from the options given below:
- A A and B only
- B A, B and D only
- C C and D only
- D C, D and E only
Answer & Solution
Correct Answer
(B) A, B and D only
Step-by-step Solution
Detailed explanation
\(\left[ Ni \left( PPh _3\right)_2 Cl _2\right]\) Given : Paramagnetic complex hence it must be tetrahedral so Crystal field splitting : (A) Tetrahedral complex not show geometrical isomerism. (B) Complex is Blue colour (C) Calculated spin only magnetic moment of the complex is…
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