Introduction To General, Organic, And Biochemistry
Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 19, Problem 70P
Interpretation Introduction

(a)

Interpretation:

Whether coenzyme A is chiral is to be predicted.

Concept Introduction:

Coenzymes are derived from Vitamins. They are the substance required in small amounts for the normal functioning of the body that the body cannot synthesize in adequate amounts. They are non-proteins molecules which help enzymes for catalyzing the reaction.

A carbon atom that has four nonequivalent atoms or groups attached to it is known as chiral carbon atom. Chiral carbon centers are also called as asymmetric or stereogenic centers.

Interpretation Introduction

(b)

Interpretation:

The names of each functional group in coenzyme A are to be stated.

Concept Introduction:

Coenzymes are derived from Vitamins. They are the substance required in small amounts for the normal functioning of the body that the body cannot synthesize in adequate amounts. They are non-proteins molecules which help enzymes for catalyzing the reaction.

An atom or a group of atoms that show characteristic physical and chemical properties are collectively known as functional groups. The functional group is the most reactive part present in the molecule. The main functional groups are: OH (alcohol group), COOH (carboxylic acid group), CHO (aldehyde group) and C=O (ketone group).

Interpretation Introduction

(c)

Interpretation:

An explanation corresponding to the solubility of coenzyme A in water is to be stated.

Concept Introduction:

Coenzymes are derived from Vitamins. They are the substance required in small amounts for the normal functioning of the body that the body cannot synthesize in adequate amounts. They are non-proteins molecules which help enzymes for catalyzing the reaction.

Interpretation Introduction

(d)

Interpretation:

The structural formulas for the products of the complete hydrolysis of coenzyme A in aqueous HCl solution showing the ionization of each product are to be drawn.

Concept Introduction:

Coenzymes are derived from Vitamins. They are the substance required in small amounts for the normal functioning of the body that the body cannot synthesize in adequate amounts. They are non-proteins molecules which help enzymes for catalyzing the reaction.

Interpretation Introduction

(e)

Interpretation:

The structural formulas for the products of the complete hydrolysis of coenzyme A in aqueous NaOH solution showing the ionization of each product are to be drawn.

Concept Introduction:

Coenzymes are derived from Vitamins. They are the substance required in small amounts for the normal functioning of the body that the body cannot synthesize in adequate amounts. They are non-proteins molecules which help enzymes for catalyzing the reaction.

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5. A solution of sucrose is fermented in a vessel until the evolution of CO2 ceases. Then, the product solution is analyzed and found to contain, 45% ethanol; 5% acetic acid; and 15% glycerin by weight. If the original charge is 500 kg, evaluate; e. The ratio of sucrose to water in the original charge (wt/wt). f. Moles of CO2 evolved. g. Maximum possible amount of ethanol that could be formed. h. Conversion efficiency. i. Per cent excess of excess reactant. Reactions: Inversion reaction: C12H22O11 + H2O →2C6H12O6 Fermentation reaction: C6H12O6 →→2C2H5OH + 2CO2 Formation of acetic acid and glycerin: C6H12O6 + C2H5OH + H₂O→ CH3COOH + 2C3H8O3
Show work. don't give Ai generated solution.  How many carbons and hydrogens are in the structure?
13. (11pts total) Consider the arrows pointing at three different carbon-carbon bonds in the molecule depicted below. Bond B 2°C. +2°C. cleavage Bond A •CH3 + 26.← Cleavage 2°C. + Bond C +3°C• CH3 2C Cleavage E 2°C. 26. weakest bond Intact molecule Strongest 3°C 20. Gund Largest argest a. (2pts) Which bond between A-C is weakest? Which is strongest? Place answers in appropriate boxes. C Weakest bond A Produces Most Bond Strongest Bond Strongest Gund produces least stable radicals Weakest Stable radical b. (4pts) Consider the relative stability of all cleavage products that form when bonds A, B, AND C are homolytically cleaved/broken. Hint: cleavage products of bonds A, B, and C are all carbon radicals. i. Which ONE cleavage product is the most stable? A condensed or bond line representation is fine. 13°C. formed in bound C cleavage ii. Which ONE cleavage product is the least stable? A condensed or bond line representation is fine. • CH3 methyl radical Formed in Gund A Cleavage c.…

Chapter 19 Solutions

Introduction To General, Organic, And Biochemistry

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