Organic And Biological Chemistry
Organic And Biological Chemistry
7th Edition
ISBN: 9781305081079
Author: STOKER, H. Stephen (howard Stephen)
Publisher: Cengage Learning,
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Question
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Chapter 4, Problem 4.96EP

(a)

Interpretation Introduction

Interpretation:

The structural formula of hemiacetal that is formed when acetaldehyde and methanol reacts has to be drawn.

Concept Introduction:

Aldehydes contain a carbonyl group that is bonded to a hydrogen atom and a carbon atom.  Ketones are compounds that contain a carbonyl group bonded to two carbon atoms.  Aldehydes and ketones undergo addition reaction across the carbonyl group.

Aldehydes and ketones react with alcohol to form hemiacetal as the product.  This reacts with further molecule of aldehyde or ketone to form acetal.

Hemiacetal is an addition product that is obtained by reaction between aldehyde or ketone with alcohol.  The general reaction of hemiacetal formation can be given as,

Organic And Biological Chemistry, Chapter 4, Problem 4.96EP , additional homework tip 1

(b)

Interpretation Introduction

Interpretation:

The structural formula of hemiacetal that is formed when 2-pentanone and ethyl alcohol reacts has to be drawn.

Concept Introduction:

Aldehydes contain a carbonyl group that is bonded to a hydrogen atom and a carbon atom.  Ketones are compounds that contain a carbonyl group bonded to two carbon atoms.  Aldehydes and ketones undergo addition reaction across the carbonyl group.

Aldehydes and ketones react with alcohol to form hemiacetal as the product.  This reacts with further molecule of aldehyde or ketone to form acetal.

Hemiacetal is an addition product that is obtained by reaction between aldehyde or ketone with alcohol.  The general reaction of hemiacetal formation can be given as,

Organic And Biological Chemistry, Chapter 4, Problem 4.96EP , additional homework tip 2

(c)

Interpretation Introduction

Interpretation:

The structural formula of hemiacetal that is formed when butanal and isopropyl alcohol reacts has to be drawn.

Concept Introduction:

Aldehydes contain a carbonyl group that is bonded to a hydrogen atom and a carbon atom.  Ketones are compounds that contain a carbonyl group bonded to two carbon atoms.  Aldehydes and ketones undergo addition reaction across the carbonyl group.

Aldehydes and ketones react with alcohol to form hemiacetal as the product.  This reacts with further molecule of aldehyde or ketone to form acetal.

Hemiacetal is an addition product that is obtained by reaction between aldehyde or ketone with alcohol.  The general reaction of hemiacetal formation can be given as,

Organic And Biological Chemistry, Chapter 4, Problem 4.96EP , additional homework tip 3

(d)

Interpretation Introduction

Interpretation:

The structural formula of hemiacetal that is formed when acetone and ethanol reacts has to be drawn.

Concept Introduction:

Aldehydes contain a carbonyl group that is bonded to a hydrogen atom and a carbon atom.  Ketones are compounds that contain a carbonyl group bonded to two carbon atoms.  Aldehydes and ketones undergo addition reaction across the carbonyl group.

Aldehydes and ketones react with alcohol to form hemiacetal as the product.  This reacts with further molecule of aldehyde or ketone to form acetal.

Hemiacetal is an addition product that is obtained by reaction between aldehyde or ketone with alcohol.  The general reaction of hemiacetal formation can be given as,

Organic And Biological Chemistry, Chapter 4, Problem 4.96EP , additional homework tip 4

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1. Draw the structural formula of the hemiacetal formed from each ơf the following pairs of reactants. a. Acetaldehyde and methanol 0 b. 2-Pentanone and ethyl alcohol С. Butanal and isopropyl alcohol d. Acetone and ethanol
Draw the structural formula of the hemiacetal formed from each of the following pairs of reactants.a. Acetaldehyde and methanolb. 2-Pentanone and ethyl alcoholc. Butanal and isopropyl alcohold. Acetone and ethanol
1. Which of the following structural features is possessed by aldehydes but not ketones? a. At least one hydroxyl group is bonded to the carbonyl carbon atom.  b. At least one hydrogen atom is bonded to the carbonyl carbon atom. c. The carbonyl carbon atom is bonded to two other carbon atoms. d. The carbonyl carbon atom is part of a ring structure.   2. What is the IUPAC name of the following compound in the attached photo? a. 3-chloro-4-nitrobenzoic acid b. 2-chloro-4-carboxynitrobenzene c. 2-nitro-5-carboxychlorobenzene d. 2-chloro-1-nitro-4-benzoic acid   3. Which of the following is the correct bond-line structure for CH3C≡C(CH2)2CH(CH3)2? a. Structure I b. Structure II c. Structure III d. Structure IV

Chapter 4 Solutions

Organic And Biological Chemistry

Ch. 4.1 - Prob. 1QQCh. 4.1 - Prob. 2QQCh. 4.2 - Prob. 1QQCh. 4.2 - Prob. 2QQCh. 4.2 - Prob. 3QQCh. 4.3 - Prob. 1QQCh. 4.3 - Prob. 2QQCh. 4.3 - Prob. 3QQCh. 4.4 - Prob. 1QQCh. 4.4 - Prob. 2QQ
Ch. 4.4 - Prob. 3QQCh. 4.4 - Prob. 4QQCh. 4.4 - Prob. 5QQCh. 4.5 - Prob. 1QQCh. 4.5 - Prob. 2QQCh. 4.5 - Prob. 3QQCh. 4.5 - Prob. 4QQCh. 4.5 - Prob. 5QQCh. 4.6 - Prob. 1QQCh. 4.6 - Prob. 2QQCh. 4.6 - Prob. 3QQCh. 4.7 - Prob. 1QQCh. 4.7 - Prob. 2QQCh. 4.8 - Prob. 1QQCh. 4.8 - Prob. 2QQCh. 4.9 - Prob. 1QQCh. 4.9 - Prob. 2QQCh. 4.10 - Prob. 1QQCh. 4.10 - Prob. 2QQCh. 4.10 - Prob. 3QQCh. 4.10 - Prob. 4QQCh. 4.11 - Prob. 1QQCh. 4.11 - Prob. 2QQCh. 4.11 - Prob. 3QQCh. 4.11 - Prob. 4QQCh. 4.11 - Prob. 5QQCh. 4.12 - Prob. 1QQCh. 4.12 - Prob. 2QQCh. 4 - Prob. 4.1EPCh. 4 - Prob. 4.2EPCh. 4 - Prob. 4.3EPCh. 4 - In terms of polarity, which carbonyl group atom...Ch. 4 - Prob. 4.5EPCh. 4 - Prob. 4.6EPCh. 4 - Prob. 4.7EPCh. 4 - Prob. 4.8EPCh. 4 - Prob. 4.9EPCh. 4 - Prob. 4.10EPCh. 4 - Prob. 4.11EPCh. 4 - Classify each of the following structures as an...Ch. 4 - Prob. 4.13EPCh. 4 - Prob. 4.14EPCh. 4 - Prob. 4.15EPCh. 4 - Prob. 4.16EPCh. 4 - Prob. 4.17EPCh. 4 - Prob. 4.18EPCh. 4 - Prob. 4.19EPCh. 4 - Prob. 4.20EPCh. 4 - Prob. 4.21EPCh. 4 - Prob. 4.22EPCh. 4 - Prob. 4.23EPCh. 4 - Prob. 4.24EPCh. 4 - Prob. 4.25EPCh. 4 - Prob. 4.26EPCh. 4 - Prob. 4.27EPCh. 4 - Prob. 4.28EPCh. 4 - Name the functional group(s) present in each of...Ch. 4 - Prob. 4.30EPCh. 4 - Prob. 4.31EPCh. 4 - Prob. 4.32EPCh. 4 - Prob. 4.33EPCh. 4 - Prob. 4.34EPCh. 4 - Prob. 4.35EPCh. 4 - Prob. 4.36EPCh. 4 - Draw a structural formula for each of the...Ch. 4 - Prob. 4.38EPCh. 4 - Prob. 4.39EPCh. 4 - Prob. 4.40EPCh. 4 - Draw a structural formula for each of the...Ch. 4 - Prob. 4.42EPCh. 4 - Prob. 4.43EPCh. 4 - Name the functional group(s) present in each of...Ch. 4 - Prob. 4.45EPCh. 4 - Prob. 4.46EPCh. 4 - Prob. 4.47EPCh. 4 - Prob. 4.48EPCh. 4 - Prob. 4.49EPCh. 4 - Give IUPAC names for all saturated...Ch. 4 - Prob. 4.51EPCh. 4 - Prob. 4.52EPCh. 4 - Prob. 4.53EPCh. 4 - Prob. 4.54EPCh. 4 - Prob. 4.55EPCh. 4 - Prob. 4.56EPCh. 4 - Prob. 4.57EPCh. 4 - Prob. 4.58EPCh. 4 - Prob. 4.59EPCh. 4 - Prob. 4.60EPCh. 4 - Prob. 4.61EPCh. 4 - Prob. 4.62EPCh. 4 - Prob. 4.63EPCh. 4 - Prob. 4.64EPCh. 4 - Which member in each of the following pairs of...Ch. 4 - Prob. 4.66EPCh. 4 - Which member in each of the following pairs of...Ch. 4 - Prob. 4.68EPCh. 4 - Prob. 4.69EPCh. 4 - How many hydrogen bonds can form between an...Ch. 4 - Prob. 4.71EPCh. 4 - Prob. 4.72EPCh. 4 - Draw the structure of the alcohol needed to...Ch. 4 - Prob. 4.74EPCh. 4 - Prob. 4.75EPCh. 4 - Prob. 4.76EPCh. 4 - Prob. 4.77EPCh. 4 - Prob. 4.78EPCh. 4 - Prob. 4.79EPCh. 4 - Prob. 4.80EPCh. 4 - Prob. 4.81EPCh. 4 - Which of the following compounds would react with...Ch. 4 - Prob. 4.83EPCh. 4 - Prob. 4.84EPCh. 4 - Which of the three compounds pentanal,...Ch. 4 - Prob. 4.86EPCh. 4 - Prob. 4.87EPCh. 4 - Prob. 4.88EPCh. 4 - Prob. 4.89EPCh. 4 - Prob. 4.90EPCh. 4 - Prob. 4.91EPCh. 4 - Indicate whether each of the following compounds...Ch. 4 - Which carbon atom is the hemiacetal carbon atom in...Ch. 4 - Which carbon atom is the hemiacetal carbon atom in...Ch. 4 - Prob. 4.95EPCh. 4 - Prob. 4.96EPCh. 4 - Prob. 4.97EPCh. 4 - Prob. 4.98EPCh. 4 - Prob. 4.99EPCh. 4 - Indicate whether each of the following compounds...Ch. 4 - Prob. 4.101EPCh. 4 - Prob. 4.102EPCh. 4 - Prob. 4.103EPCh. 4 - Prob. 4.104EPCh. 4 - Prob. 4.105EPCh. 4 - Prob. 4.106EPCh. 4 - Prob. 4.107EPCh. 4 - Name each of the compounds in Problem 15-106 in...Ch. 4 - Prob. 4.109EPCh. 4 - Prob. 4.110EPCh. 4 - Prob. 4.111EPCh. 4 - Prob. 4.112EPCh. 4 - Prob. 4.113EPCh. 4 - Prob. 4.114EPCh. 4 - Prob. 4.115EPCh. 4 - Prob. 4.116EPCh. 4 - Prob. 4.117EPCh. 4 - Prob. 4.118EP
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