The given alkanes are to be named. Concept introduction: The IUPAC nomenclature of organic compound is a method used for naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). Alkanes are saturated hydrocarbons and their names end by adding suffix –ane to the parent hydrocarbon. To determine: The name of the given alkane.

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Instructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br‍(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.

Answer 1

Question

Chapter 22, Problem 138CWP

(a)

Interpretation Introduction

Interpretation: The given alkanes are to be named.

Concept introduction: The IUPAC nomenclature of organic compound is a method used for naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). Alkanes are saturated hydrocarbons and their names end by adding suffix –ane to the parent hydrocarbon.

To determine: The name of the given alkane.

(b)

Interpretation Introduction

Interpretation: The given alkanes are to be named.

Concept introduction: The IUPAC nomenclature of organic compound is a method used for naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). Alkanes are saturated hydrocarbons and their names end by adding suffix –ane to the parent hydrocarbon.

To determine: The name of the given alkane.

(c)

Interpretation Introduction

Interpretation: The given alkanes are to be named.

Concept introduction: The IUPAC nomenclature of organic compound is a method used for naming organic chemical compounds as recommended by the International Union of Pure and Applied Chemistry (IUPAC). Alkanes are saturated hydrocarbons and their names end by adding suffix –ane to the parent hydrocarbon.

To determine: The name of the given alkane.

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Instructions: Complete the questions in the space provided. Show all your work 1. You are trying to determine the rate law expression for a reaction that you are completing at 25°C. You measure the initial reaction rate and the starting concentrations of the reactions for 4 trials. BrO³¯ (aq) + 5Br¯ (aq) + 6H* (aq) → 3Br₂ (l) + 3H2O (l) Initial rate Trial [BrO3] [H*] [Br] (mol/L) (mol/L) | (mol/L) (mol/L.s) 1 0.10 0.10 0.10 8.0 2 0.20 0.10 0.10 16 3 0.10 0.20 0.10 16 4 0.10 0.10 0.20 32 a. Based on the above data what is the rate law expression? b. Solve for the value of k (make sure to include proper units) 2. The proposed reaction mechanism is as follows: i. ii. BrО¸¯ (aq) + H+ (aq) → HBrO3 (aq) HBrO³ (aq) + H* (aq) → H₂BrO3* (aq) iii. H₂BrO³* (aq) + Br¯ (aq) → Br₂O₂ (aq) + H2O (l) [Fast] [Medium] [Slow] iv. Br₂O₂ (aq) + 4H*(aq) + 4Br‍(aq) → 3Br₂ (l) + H2O (l) [Fast] Evaluate the validity of this proposed reaction. Justify your answer.

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