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Chapter 23: Q46 P (page 1059)

What electronic feature must a donor atom of a ligand have?

Short Answer

Expert verified

Donor atoms of ligands have to have excess lone pairs they can use to bond with the metal.

Step by step solution

01

Definition of Coordination Compound

A coordination complex consists of a central atom or ion, which is typically metallic and is named the coordination centre, and a surrounding array of bound molecules or ions, that are successively referred to as ligands or complexing agents.

02

Solve the given statements

Ligands have donor atoms which attach to the metal Ligands act as lewis bases, attaching to the lewis acids, therefore they have to have excess lone pairs in the donor atom that can be used to form a bond with the metal.

So,

Donor atoms of ligands have to have excess lone pairs they can use to bond with the metal.

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Most popular questions from this chapter

How is a photographic latent image different from the image you see on a piece of developed film?

You know the following about a coordination compound:

(1) The partial empirical formula isKM(CrO4)Cl2(NH3)4

(2) It has A(red) and B(blue) crystal forms.

(3) When1.0molof Aor B reacts with1.0molofAgNOH30.50molof a red precipitate forms immediately.

(4) After the reaction in (3),1.0molofA reacts very slowly with1.0molof silver oxalate(Ag2C2O4)to form2.0molof a white precipitate. (Oxalate can displace other ligands.)

(5) After the reaction in(3),1.0molof Bdoes not react further with I.0 mol ofAgNO5

From this information, determine the following:

(a) The coordination number of M

(b) The group(s) bonded to Mionically and covalently

(c) The stereochemistry of the red and blue formulas

:Some Am95243was present when Earth formed, but it all decayed in the next billion years. The first three steps in this decay series are the emission of an 伪 particle, a particle, and another 尾-particle. What other isotopes were present on the young Earth in a rock that contained some Am95243?

(a) What is a coordinate covalent bond?

(b) Is it involved when FeCl3 dissolves in water? Explain.

(c) Is it involved when HCl gas dissolves in water? Explain.

Question: (a) What behaviour distinguishes paramagnetic and diamagnetic substances?

(b) Why are paramagnetic ions common among transition elements but not main-group elements?

(c) Why are coloured solutions of metal ions common among transition elements but not main-group elements?
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