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Which of the following octahedral complex ions is diamagnetic?
Which of the following complex ions is diamagnetic?
Which of the following complex ions is paramagnetic?
The structures of Ni(CO)4 and Ni(PPh3)2Cl2 are
Which of the following statements is correct?
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
Which of the following complex ions violates the EAN rule?
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
A coordination complex compound of cobalt has the molecular formula containing five ammonia molecules, one nitro group and two chlorine atoms for one cobalt atom. One mole of this compound produces three mole ions in …
Excess of silver nitrate solution is added to 100 mL of 0.01 M pentaaquachlorochromium (III) chloride solution. The mass of silver chloride obtained (in gram) is [Atomic mass of silver is 108]
Mixture X = 0.02 mole of [Co (NH3)5 SO4] Br and 0.02 mole of [Co(NH3)5 Br] SO4 was prepared in 2L of solution. 1 L of mixture X + excess AgNO3-> Y 1 L of mixture X + excess BaCl2-> Z Number of moles of Y and Z are