(a) Interpretation: The given observation that C O C l 3 is unstable in aqueous solution and reduced to C o C 1 2 and liberating O 2 (g). The reason which [ C o ( N H 3 ) 6 ] C l 3 can be easily maintained in an aqueous solution should be explained in terms of complex-ion formation. Concept introduction: A complex ion is formed when a metal ion reacts with a Lewis base in solution. This reaction is defined in terms of chemical equilibrium . A complexion comprises of a ligand and a metal ion as a result of an interaction of Lewis acid-base. The Metal ion which is positively charged functions as a Lewis acid. Lewis base or the ligand has one or more lone pairs of electrons. For example, Cu 2 +, which is a highly charged and small metal ion having a significant tendency to function as Lewis acids, consequently exhibiting the greatest affinity to form complex ions. The development of a complexion is a stepwise procedure, and every step has its equilibrium constant. When two of the equations are added together, the equilibrium constants multiply.

Question

Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s) Be sure to account for all bond-breaking and bond-making steps Problem 73 of 10 Drawing Amows ro HO Done

Answer 1

Question

Chapter 24, Problem 32E

Interpretation Introduction

(a)

Interpretation:

The given observation that COCl3 is unstable in aqueous solution and reduced to CoC12 and liberating O₂(g). The reason which [Co(NH3)6]Cl3 can be easily maintained in an aqueous solution should be explained in terms of complex-ion formation.

Concept introduction:

A complex ion is formed when a metal ion reacts with a Lewis base in solution. This reaction is defined in terms of chemical equilibrium. A complexion comprises of a ligand and a metal ion as a result of an interaction of Lewis acid-base.

The Metal ion which is positively charged functions as a Lewis acid. Lewis base or the ligand has one or more lone pairs of electrons. For example, Cu²+, which is a highly charged and small metal ion having a significant tendency to function as Lewis acids, consequently exhibiting the greatest affinity to form complex ions.

The development of a complexion is a stepwise procedure, and every step has its equilibrium constant. When two of the equations are added together, the equilibrium constants multiply.

Interpretation Introduction

(b)

Interpretation:

In the given observation the reason by which Agl will dissolve in an aqueous solution of sodium thiosulfate should be determined in terms of complex-ion formation.

Concept introduction:

A complex ion is formed when a metal ion reacts with a Lewis base in solution. This reaction is defined in terms of chemical equilibrium. A complexion comprises of a ligand and a metal ion as a result of an interaction of Lewis acid-base.

The Metal ion which is positively charged functions as a Lewis acid. Lewis base or the ligand has one or more lone pairs of electrons. For example, Cu²+, which is a highly charged and small metal ion having a significant tendency to function as Lewis acids, consequently exhibiting the greatest affinity to form complex ions.

The development of a complexion is a stepwise procedure, and every step has its equilibrium constant. When two of the equations are added together, the equilibrium constants multiply.

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