(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

Draw the mechanism for the acid-catalyzed dehydration of 2-methyl-hexan-2-ol with arrows please.

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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