(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

ii) Molecular ion peak :the peak corresponding to the intact molecule (with a positive charge) What would the base peak and Molecular ion peaks when isobutane is subjected to Mass spectrometry? Draw the structures and write the molecular weights of the fragments. Circle most stable cation a) tert-butyl cation b) Isopropyl cation c) Ethyl cation. d) Methyl cation 6. What does a loss of 15 represent in Mass spectrum? a fragment of the molecule with a mass of 15 atomic mass units has been lost during the ionization Process 7. Write the isotopes and their % abundance of isotopes of i) Cl

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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