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The formation of the complex ion [Co(NH3)6]3+ involves sp3d2 hybridization of Co3+. Hence, the complex ion should possess
The hybridization states of the central atom in the complex ions [FeF6]3–, [Fe(H2O)6]3+ and [Ni(NH3)6]2+ are
The hybridization states of the central atom in the complexes Fe(CN)6 3–, Fe(CN)6 4– and CO(NO2)6 3– are
Which one of the following has a square planar geometry? (At. no. Co = 27, Ni = 28, Fe = 26, Pt = 78)
The magnetic moment of a complex ion is 2.83 BM. The complex ion is
The value of magnetic moment for a complex ion is 1.73 BM. The complex. ion is
Among the following ions, which one has the highest paramagnetism?
An octahedral complex is formed when hybrid orbitals or the following type are involved
Which of the following complex ions obeys Sidgwick‘s effective atomic number (EAN) rule?
The effective atomic number for the complex ion [Pd(NH3)6]4+ is
The effective atomic number for the complex ion [Ni(CN)4]2– is
Which of the following ion does not follow EAN rule?
Mn H O 25–2 12 . Thus it violates EAN rule. Pt NH Fe CN 78 – 4 12 24+0 12 Fe CO 26+ 0 10
Consider the following statements: According the Werner‘s theory. 1. Ligands are connected to the metal ions by covalent bonds. 2. Secondary valencies have directional properties 3. Secondary valencies are non-ionisab…
In the complex with formula MCl3. 4H2O, the coordination number of the metal M is six and there is no molecule of hydration in it. The volume, if 0.1 M AgNO3 solution needed to precipitate the free chloride ions in 20…
On treatment of 100 mL of 0.1 M solution of CoCl3.6H2O with excess of AgNO3; 1.2 × 1022 ions are precipitated. The complex is
The complex ion which has no d electrons in the central metal atom is
Which of the following is a coordination compound?
Which of the following is a double salt?
When potash alum is dissolved in water, the total number of ions produced is
FeSO4.7H2O show isomorphism with
Which of the following statements is correct with regard to a complex ion?
How many ions are produced from [Co(NH3)6]Cl3 in solution?
Which complex cannot ionise in solution?
In the complex ion [Co(NH3)6]3+, the NH3 molecules are linked to the central metal ion by