(a) Interpretation: To balance the following equation in basic medium: Al (s) + ClO - (aq .) → AlO 2 - (aq) + Cl - (aq .) Concept Introduction: In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products. Steps to be followed to balance a reaction in Basic medium: Break the reaction into different half-cell reactions. Balanced all the atoms other that H and O in both half-cell reaction separately. Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately. Balance the H-atom by adding H+ ion separately in both the half- cell reaction. Balance the charge by adding electrons to either side in both half-cell reaction separately. Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H 2 O molecules such that only one side contain H 2 O molecule. Now add equal moles of OH- ions to both sides as we have H+ ions. Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H 2 O molecules from both sides.

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Answer 1

Question

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

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Questions 4 and 5

For a titration of 40.00 mL of 0.0500 M oxalic acid H2C2O4 with 0.1000 M KOH, calculate the pH at each of the following volume of KOH used in the titration: 1) before the titration begin;2) 15 mL; 3) 20 mL; 4) 25 mL; 5) 40 mL; 6) 50 mL. Ka1 = 5.90×10^-2, Ka2 = 6.50×10^-5 for oxalic acid.

Predict the major organic product(s), if any, of the following reactions. Assume all reagents are in excess unless otherwise indicated.

Answer 2

Question

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

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Answer 3

Question

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Expert Solution & Answer

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Answer 4

Question

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Expert Solution & Answer

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See solution

Answer 5

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Answer 6

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Answer 7

Chapter 15.2, Problem 15.26QAP

Interpretation Introduction

(a)

Interpretation:

To balance the following equation in basic medium:

Al(s) + ClO- (aq.) →AlO2- (aq) + Cl- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Answer 8

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Answer 9

Interpretation Introduction

(b)

Interpretation:

To balance the following equation in basic medium:

Sn+2(aq) + IO4- (aq.) →Sn+4 (aq) + I- (aq.)

Concept Introduction:

In basic medium, the overall reaction contains only hydroxide ion other that given reactants and products.

Steps to be followed to balance a reaction in Basic medium:

Break the reaction into different half-cell reactions.

Balanced all the atoms other that H and O in both half-cell reaction separately.

Balance the O-atom by adding water molecule to either side in the both half-cell reaction separately.

Balance the H-atom by adding H+ ion separately in both the half- cell reaction.

Balance the charge by adding electrons to either side in both half-cell reaction separately.

Multiply both half-cell with an integer such that on adding up both reactions, electrons got cancel out and adjust H₂O molecules such that only one side contain H₂O molecule.

Now add equal moles of OH- ions to both sides as we have H+ ions.

Combine H+ and OH- ions which are on same side to form water molecule and then cancel out common amount of H₂O molecules from both sides.

Answer 10

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Answer 11

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Answer 12

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Answer 13

Ch. 15.1 - Prob. 15.1QAP Ch. 15.1 - Prob. 15.2QAP Ch. 15.1 - Prob. 15.3QAP Ch. 15.1 - Prob. 15.4QAP Ch. 15.1 - Prob. 15.5QAP Ch. 15.1 - Prob. 15.6QAP Ch. 15.1 - Prob. 15.7QAP Ch. 15.1 - Prob. 15.8QAP Ch. 15.1 - Prob. 15.9QAP Ch. 15.1 - Prob. 15.10QAP

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