Chapter 4, Problem 4.63SP

Interpretation Introduction

(a)

Interpretation:

In the light bulb conductivity test, whether 0.1 M HF solution gives a dark, dim or bright light needs to be determined.

Concept introduction:

Strong electrolyte is defined as a solution which completely dissociates into ions. The resultant ions are good conductor of heat and electricity.

The dissociation of a strong electrolyte is represented as follows:

$AB\left(aq\right)\to A^{+}\left(aq\right)+B^{-}\left(aq\right)$

A weak electrolyte is defined as a solution which partially dissociates into ions. They are weak conductor of heat and electricity as compared to strong electrolytes. The dissociation of weak electrolyte is represented as follows:

$AB\left(aq\right)\rightleftharpoons A^{+}\left(aq\right)+B^{-}\left(aq\right)$

Non-electrolyte is defined as a solution which do not dissociate into ions. They do not conduct heat and electricity due to absence of ions in the solution.

The dissociation reaction does not take place.

$AB\left(aq\right)\to \text{no reaction}$

Interpretation Introduction

(b)

Interpretation:

In the light bulb conductivity test, whether 0.1 M NaCl solution gives a dark, dim or bright light needs to be determined.

Concept introduction:

Strong electrolyte is defined as a solution which completely dissociates into ions. The resultant ions are good conductor of heat and electricity.

The dissociation of a strong electrolyte is represented as follows:

$AB\left(aq\right)\to A^{+}\left(aq\right)+B^{-}\left(aq\right)$

A weak electrolyte is defined as a solution which partially dissociates into ions. They are weak conductor of heat and electricity as compared to strong electrolytes. The dissociation of weak electrolyte is represented as follows:

$AB\left(aq\right)\rightleftharpoons A^{+}\left(aq\right)+B^{-}\left(aq\right)$

Non-electrolyte is defined as a solution which do not dissociate into ions. They do not conduct heat and electricity due to absence of ions in the solution.

The dissociation reaction does not take place.

$AB\left(aq\right)\to \text{no reaction}$

Interpretation Introduction

(c)

Interpretation:

In the light bulb conductivity test, whether 0.1 M glucose solution gives a dark, dim or bright light needs to be determined.

Concept introduction:

Strong electrolyte is defined as a solution which completely dissociates into ions. The resultant ions are good conductor of heat and electricity.

The dissociation of a strong electrolyte is represented as follows:

$AB\left(aq\right)\to A^{+}\left(aq\right)+B^{-}\left(aq\right)$

A weak electrolyte is defined as a solution which partially dissociates into ions. They are weak conductor of heat and electricity as compared to strong electrolytes. The dissociation of weak electrolyte is represented as follows:

$AB\left(aq\right)\rightleftharpoons A^{+}\left(aq\right)+B^{-}\left(aq\right)$

Non-electrolyte is defined as a solution which do not dissociate into ions. They do not conduct heat and electricity due to absence of ions in the solution.

The dissociation reaction does not take place.

$AB\left(aq\right)\to \text{no reaction}$