Structures of the principle organic products in each of the given reactions is to be determined. Concept introduction: Since alkenes have the capacity to react with substances that add to them, they are unsaturated hydrocarbons. Therefore, alkenes show addition reactions. According to Markovnikov’s rule. when an unsymmetrically substituted alkene reacts with a hydrogen halide, hydrogen adds to the carbon that has the greater number of hydrogens and halogen adds to the carbon that has fewer hydrogens. In hydroboration-oxidation reaction, hydrogen atom gets bonded to the carbon that has fewer hydrogens and the hydroxyl to the carbon that has a greater number of hydrogens. This is a rule opposite of Markovnikov’s addition.

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Please help me with # 4 and 5. Thanks in advance!

Answer 1

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 31P

Interpretation Introduction

Interpretation:

Structures of the principle organic products in each of the given reactions is to be determined.

Concept introduction:

Since alkenes have the capacity to react with substances that add to them, they are unsaturated hydrocarbons. Therefore, alkenes show addition reactions.

According to Markovnikov’s rule. when an unsymmetrically substituted alkene reacts with a hydrogen halide, hydrogen adds to the carbon that has the greater number of hydrogens and halogen adds to the carbon that has fewer hydrogens.

In hydroboration-oxidation reaction, hydrogen atom gets bonded to the carbon that has fewer hydrogens and the hydroxyl to the carbon that has a greater number of hydrogens. This is a rule opposite of Markovnikov’s addition.

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Please help me with # 4 and 5. Thanks in advance!

A small artisanal cheesemaker is testing the acidity of their milk before it coagulates. During fermentation, bacteria produce lactic acid (K₁ = 1.4 x 104), a weak acid that helps to curdle the milk and develop flavor. The cheesemaker has measured that the developing mixture contains lactic acid at an initial concentration of 0.025 M. Your task is to calculate the pH of this mixture and determine whether it meets the required acidity for proper cheese development. To achieve the best flavor, texture and reduce/control microbial growth, the pH range needs to be between pH 4.6 and 5.0. Assumptions: Lactic acid is a monoprotic acid H H :0:0: H-C-C H :0: O-H Figure 1: Lewis Structure for Lactic Acid For simplicity, you can use the generic formula HA to represent the acid You can assume lactic acid dissociation is in water as milk is mostly water. Temperature is 25°C 1. Write the K, expression for the dissociation of lactic acid in the space provided. Do not forget to include state symbols.…

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Answer 2

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 31P

Interpretation Introduction

Interpretation:

Structures of the principle organic products in each of the given reactions is to be determined.

Concept introduction:

Since alkenes have the capacity to react with substances that add to them, they are unsaturated hydrocarbons. Therefore, alkenes show addition reactions.

According to Markovnikov’s rule. when an unsymmetrically substituted alkene reacts with a hydrogen halide, hydrogen adds to the carbon that has the greater number of hydrogens and halogen adds to the carbon that has fewer hydrogens.

In hydroboration-oxidation reaction, hydrogen atom gets bonded to the carbon that has fewer hydrogens and the hydroxyl to the carbon that has a greater number of hydrogens. This is a rule opposite of Markovnikov’s addition.

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Answer 3

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Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 31P

Interpretation Introduction

Interpretation:

Structures of the principle organic products in each of the given reactions is to be determined.

Concept introduction:

Since alkenes have the capacity to react with substances that add to them, they are unsaturated hydrocarbons. Therefore, alkenes show addition reactions.

According to Markovnikov’s rule. when an unsymmetrically substituted alkene reacts with a hydrogen halide, hydrogen adds to the carbon that has the greater number of hydrogens and halogen adds to the carbon that has fewer hydrogens.

In hydroboration-oxidation reaction, hydrogen atom gets bonded to the carbon that has fewer hydrogens and the hydroxyl to the carbon that has a greater number of hydrogens. This is a rule opposite of Markovnikov’s addition.

Expert Solution & Answer

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Answer 4

Question

Definition Definition Molecules that have multiple bonds between their carbon atoms. Alkenes are hydrocarbons with a double bond between two adjacent carbon atoms (R 2 C=CR 2 ), whereas alkynes are hydrocarbons with a triple bond between two adjacent carbon atoms R-C=C-R . These two groups are known as unsaturated hydrocarbons. They have fewer hydrogen atoms when compared with alkanes with same number of carbon atoms. The general molecular formula for an unsaturated hydrocarbon can be represented as C n H 2n +2 .

Chapter 8, Problem 31P

Interpretation Introduction