11) The coordination number of a metal ion is....A) The number of coordinate bonds it forms with the ligandsB) The number of its valence electronsC) The number of ionic bonds it forms with the ligandsD) The number of its neutronsA) Ethylene bromo tolueneB) Ethyl benzene tetrahydrateC) Eriochrome black TD) Eriochrome blue T13) Which of the following is wrong (INCORRECT) about molecular exclusionchromatography?A) No equilibrium state is establishedB) The sample may be a gas or a liquidC) The pore size is designed to allow the small solute particles to passD) The separation is according to difference of solubility14) If the length of the column packing is (L) = 5 cm and the plate height (H)is 0.1 cm. Calculate the plate count (N)?A) 50 platesB) 20 platesC) 30 platesD) 10 plates15) Define the following:- Electrolyte effect- Buffer solution- Coordination number12) EBT is...

Since you have asked multiple question, we will solve the first question for you.If you want any…

11) The coordination number of a metal ion is.... A) The number of coordinate bonds it forms with the ligands B) The number of its valence electrons C) The number of ionic bonds it forms with the ligands D) The number of its neutrons 121 FDM

11) The coordination number of a metal ion is.... A) The number of coordinate bonds it forms with the ligands B) The number of its valence electrons C) The number of ionic bonds it forms with the ligands D) The number of its neutrons 121 FDM

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter21: Transition Metals And Coordination Chemistry

Section: Chapter Questions

Problem 108IP: a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the...

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

11) The coordination number of a metal ion is....
A) The number of coordinate bonds it forms with the ligands
B) The number of its valence electrons
C) The number of ionic bonds it forms with the ligands
D) The number of its neutrons
A) Ethylene bromo toluene
B) Ethyl benzene tetrahydrate
C) Eriochrome black T
D) Eriochrome blue T
13) Which of the following is wrong (INCORRECT) about molecular exclusion
chromatography?
A) No equilibrium state is established
B) The sample may be a gas or a liquid
C) The pore size is designed to allow the small solute particles to pass
D) The separation is according to difference of solubility
14) If the length of the column packing is (L) = 5 cm and the plate height (H)
is 0.1 cm. Calculate the plate count (N)?
A) 50 plates
B) 20 plates
C) 30 plates
D) 10 plates
15) Define the following:
- Electrolyte effect
- Buffer solution
- Coordination number
12) EBT is...

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a. In the absorption spectrum of the complex ion Cr(NCS)63, there is a band corresponding to the absorption of a photon of light with an energy of 1.75 104 cm-1. Given 1 cm1 = 1.986 1023 J, what is the wavelength of this photon? b. The CrNC bond angle in Cr(NCS)63 is predicted to be 180. What is the hybridization of the N atom in the Ncs- ligand when a Lewis acid-base reaction occurs between Cr3+ and NCs- that would give a 180 CrNC bond angle? Cr(NCS)63 undergoes substitution by ethylenediamine (en) according to the equation Cr(NCS)63+2enCr(NCS)2(en)2++4NCS Does Cr(NCS)2(en)2+ exhibit geometric isomerism? Does Cr(NCS)2(en)2+ exhibit optical isomerism?
Define the terms complex ion, ligand, and coordination number. Use an example to illustrate the use of these terms.
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Trimethylphosphine, P(CH3)3, can act as a ligand by donating the lone pair of electrons on the phosphorus atom. If trimethylphosphine is added to a solution of nickel(Il) chloride in acetone, a blue compound that has a molecular mass of approximately 270 g and contains 21.5% Ni, 26.0% Cl, and 52.5% P(CH3)3 can be isolated. This blue compound does not have any isomeric forms. What are the geometry and molecular formula of the blue compound?