CHEMISTRY >CUSTOM<
CHEMISTRY >CUSTOM<
8th Edition
ISBN: 9781309097182
Author: SILBERBERG
Publisher: MCG/CREATE
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Chapter 15, Problem 15.22P

(a)

Interpretation Introduction

Interpretation:

The structure of 3,3-dimethylbutane has to be drawn and correct name has to be given.

Concept Introduction:

The hydrocarbons which contains only single bonds are said to be Alkanes.  The general formula for alkanes can be given as CnH2n+2.  All carbon atoms are sp3 hybridized.

The Alkanes are named following some rules:

  • The name of the alkane is given by the number of carbon atoms present in the chain.  It is said to be Root of the alkane.

Root = number of carbon atoms in chain.

  • To name the root, for one carbon atom, the root name use is meth-.  For two carbon atoms, the root name is eth-, for three carbon atoms, it is prop-, for four carbon atoms, it is but-, for five carbon atoms, it is pent- and so on.
  • The carbon chain is numbered in a way that the substituents get lowest number possible.
  • The root name is followed by Suffix.  Suffix indicates the functional group present in the compound.  It is placed after the root name.

Suffix = name of the functional group present in the compound.

  • The root name also contains Prefix.  Prefix is the groups attached to the root.  It indicates the branched carbon atoms on the root chain and name according to the root specifying the carbon number on which it is placed.  It contains –yl in name end.  The prefix is placed before the root name.

Prefix = name of the branched carbon atoms on chain.

  • The name of the alkane is given in the form

Prefix + Root + Suffix

(a)

Expert Solution
Check Mark

Explanation of Solution

The given name of the compound is 3,3-dimethylbutane.

The structure of 3,3-dimethylbutane is given as the four carbon chain with two methyl groups as substituents at third carbon.  According to the given name the structure will be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  1

According to systematic nomenclature, the carbon chain should be numbered in a way that the substituents get lowest number possible.  Hence, in butane four carbons are there in a chain and the methyl groups attached to the chain will get second number on the chain.  So, the correct name is 2,2-dimethylbutane.

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  2

The name of the compound based on systematic nomenclature should be 2,2-dimethylbutane.

(b)

Interpretation Introduction

Interpretation:

The structure of 1,1,1-trimethylheptane has to be drawn and correct name has to be given.

Concept Introduction:

The hydrocarbons which contains only single bonds are said to be Alkanes.  The general formula for alkanes can be given as CnH2n+2.  All carbon atoms are sp3 hybridized.

The Alkanes are named following some rules:

  • The name of the alkane is given by the number of carbon atoms present in the chain.  It is said to be Root of the alkane.

Root = number of carbon atoms in chain.

  • To name the root, for one carbon atom, the root name use is meth-.  For two carbon atoms, the root name is eth-, for three carbon atoms, it is prop-, for four carbon atoms, it is but-, for five carbon atoms, it is pent- and so on.
  • The carbon chain is numbered in a way that the substituents get lowest number possible.
  • The root name is followed by Suffix.  Suffix indicates the functional group present in the compound.  It is placed after the root name.

Suffix = name of the functional group present in the compound.

  • The root name also contains Prefix.  Prefix is the groups attached to the root.  It indicates the branched carbon atoms on the root chain and name according to the root specifying the carbon number on which it is placed.  It contains –yl in name end.  The prefix is placed before the root name.

Prefix = name of the branched carbon atoms on chain.

  • The name of the alkane is given in the form

Prefix + Root + Suffix

(b)

Expert Solution
Check Mark

Explanation of Solution

The given name of the compound is 1,1,1-trimethylheptane.

The structure of 1,1,1-trimethylheptane is given as the seven carbon chain with three methyl groups as substituents at first carbon.  The structure will be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  3

According to systematic nomenclature, the carbon chain should be numbered in a way that the carbon chain should consists of more carbon atoms and substituents get lowest number possible.

In 1,1,1-trimethylheptane, the carbon chain consists only seven carbons with three methyl groups on first carbon.  But according to the nomenclature, the carbon chain will be octane and the substituent groups are methyl groups on second carbon.  The correct structure of the compound can be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  4

The name of the compound based on systematic nomenclature should be 2,2-dimethyloctane.

(c)

Interpretation Introduction

Interpretation:

The structure of 1,4-diethylcyclopentane has to be drawn and correct name has to be given.

Concept Introduction:

The hydrocarbons which contains only single bonds are said to be Alkanes.  The general formula for cycloalkanes can be given as CnH2n.

The cycloalkanes are named following some rules:

  • The name of the cycloalkane is given by the number of carbon atoms present in the ring.  It is said to be Root of the cycloalkane.

Root = number of carbon atoms in ring.

  • To name the root, for one carbon atom, the root name use is meth-.  For two carbon atoms, the root name is eth-, for three carbon atoms, it is prop-, for four carbon atoms, it is but-, for five carbon atoms, it is pent- and so on.
  • The carbon ring is numbered in a way that the carbon with substituents get the first number in the ring.
  • The root name is followed by Suffix.  Suffix indicates the functional group present in the compound.  It is placed after the root name.

Suffix = name of the functional group present in the compound.

  • The root name also contains Prefix.  Prefix is the groups attached to the root.  It indicates the branched carbon atoms on the root chain and name according to the root specifying the carbon number on which it is placed.  It contains –yl in name end.  The prefix is placed before the root name.

Prefix = name of the branched carbon atoms on chain.

  • The name of the alkane is given in the form

Prefix + Root + Suffix

(c)

Expert Solution
Check Mark

Explanation of Solution

The given name of the compound is 1,4-diethylcyclopentane.

The structure of 1,4-diethylcyclopentane is given as the five carbon ring with two ethyl groups as substituents at first and fourth carbon atoms.  The structure will be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  5

According to systematic nomenclature, the carbon ring should be numbered in a way that the substituent containing carbon is considered as first carbon and the second substituent should get the lowest number possible in the ring.

In 1,4-diethylcyclopentane, one ethyl group is on first carbon and other ethyl group is on fourth carbon.  But according to the nomenclature the substituent containing carbon is considered as first carbon and the second substituent should get the lowest number possible in the ring.  The correct structure of the compound can be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  6

The name of the compound based on systematic nomenclature should be 1,3-diethylcyclopentane.

(d)

Interpretation Introduction

Interpretation:

The structure of 1-propylcyclohexane has to be drawn and correct name has to be given.

Concept Introduction:

The hydrocarbons which contains only single bonds are said to be Alkanes.  The general formula for cycloalkanes can be given as CnH2n.

The cycloalkanes are named following some rules:

  • The name of the cycloalkane is given by the number of carbon atoms present in the ring.  It is said to be Root of the cycloalkane.

Root = number of carbon atoms in ring.

  • To name the root, for one carbon atom, the root name use is meth-.  For two carbon atoms, the root name is eth-, for three carbon atoms, it is prop-, for four carbon atoms, it is but-, for five carbon atoms, it is pent- and so on.
  • The carbon ring is numbered in a way that the carbon with substituents get the first number in the ring.
  • The root name is followed by Suffix.  Suffix indicates the functional group present in the compound.  It is placed after the root name.

Suffix = name of the functional group present in the compound.

  • The root name also contains Prefix.  Prefix is the groups attached to the root.  It indicates the branched carbon atoms on the root chain and name according to the root specifying the carbon number on which it is placed.  It contains –yl in name end.  The prefix is placed before the root name.

Prefix = name of the branched carbon atoms on chain.

  • The name of the alkane is given in the form

Prefix + Root + Suffix

(d)

Expert Solution
Check Mark

Explanation of Solution

The given name of the compound is 1-propylcyclohexane.

The structure of 1-propylcyclohexane is given as the six carbon ring with a propyl group as substituent at first carbon atom.  The structure will be given as

CHEMISTRY >CUSTOM<                     , Chapter 15, Problem 15.22P , additional homework tip  7

According to systematic nomenclature, the carbon ring should be numbered in a way that the substituent containing carbon is considered as first carbon.

The name of the compound based on systematic nomenclature should be 1-propylcyclohexane.  But it is not necessary to mention the number of the substituent on the ring (if only one substituent is present) as it will get the first position.  Hence, the name of the compound will be propylcyclohexane.

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Chapter 15 Solutions

CHEMISTRY >CUSTOM<

Ch. 15.4 - Prob. 15.4BFPCh. 15.4 - Prob. 15.5AFPCh. 15.4 - Prob. 15.5BFPCh. 15.4 - Prob. 15.6AFPCh. 15.4 - Prob. 15.6BFPCh. 15.4 - Prob. 15.7AFPCh. 15.4 - Prob. 15.7BFPCh. 15.6 - Prob. B15.4PCh. 15.6 - Prob. B15.5PCh. 15 - Prob. 15.1PCh. 15 - Prob. 15.2PCh. 15 - Prob. 15.3PCh. 15 - Silicon lies just below carbon in Group 4A(14) and...Ch. 15 - What is the range of oxidation states for carbon?...Ch. 15 - Prob. 15.6PCh. 15 - Prob. 15.7PCh. 15 - Define each type of isomer: (a) constitutional;...Ch. 15 - Prob. 15.9PCh. 15 - Prob. 15.10PCh. 15 - Prob. 15.11PCh. 15 - How does an aromatic hydrocarbon differ from a...Ch. 15 - Prob. 15.13PCh. 15 - Prob. 15.14PCh. 15 - Prob. 15.15PCh. 15 - Prob. 15.16PCh. 15 - Prob. 15.17PCh. 15 - Prob. 15.18PCh. 15 - Prob. 15.19PCh. 15 - Prob. 15.20PCh. 15 - Prob. 15.21PCh. 15 - Prob. 15.22PCh. 15 - Prob. 15.23PCh. 15 - Prob. 15.24PCh. 15 - Draw structures from the following names, and...Ch. 15 - Prob. 15.26PCh. 15 - Prob. 15.27PCh. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - Prob. 15.32PCh. 15 - Prob. 15.33PCh. 15 - Prob. 15.34PCh. 15 - Prob. 15.35PCh. 15 - Prob. 15.36PCh. 15 - Prob. 15.37PCh. 15 - Prob. 15.38PCh. 15 - Prob. 15.39PCh. 15 - Prob. 15.40PCh. 15 - Determine the type of each of the following...Ch. 15 - Prob. 15.42PCh. 15 - Prob. 15.43PCh. 15 - Prob. 15.44PCh. 15 - Prob. 15.45PCh. 15 - Prob. 15.46PCh. 15 - Prob. 15.47PCh. 15 - Prob. 15.48PCh. 15 - Prob. 15.49PCh. 15 - Prob. 15.50PCh. 15 - Prob. 15.51PCh. 15 - Prob. 15.52PCh. 15 - Prob. 15.53PCh. 15 - Prob. 15.54PCh. 15 - Prob. 15.55PCh. 15 - Prob. 15.56PCh. 15 - Prob. 15.57PCh. 15 - Prob. 15.58PCh. 15 - Prob. 15.59PCh. 15 - Prob. 15.60PCh. 15 - Prob. 15.61PCh. 15 - Prob. 15.62PCh. 15 - Prob. 15.63PCh. 15 - Prob. 15.64PCh. 15 - Prob. 15.65PCh. 15 - Prob. 15.66PCh. 15 - Prob. 15.67PCh. 15 - Prob. 15.68PCh. 15 - Prob. 15.69PCh. 15 - Prob. 15.70PCh. 15 - Prob. 15.71PCh. 15 - Prob. 15.72PCh. 15 - Prob. 15.73PCh. 15 - Prob. 15.74PCh. 15 - Prob. 15.75PCh. 15 - Prob. 15.76PCh. 15 - Prob. 15.77PCh. 15 - Prob. 15.78PCh. 15 - Prob. 15.79PCh. 15 - Prob. 15.80PCh. 15 - Prob. 15.81PCh. 15 - Prob. 15.82PCh. 15 - Prob. 15.83PCh. 15 - Prob. 15.84PCh. 15 - Prob. 15.85PCh. 15 - Prob. 15.86PCh. 15 - Prob. 15.87PCh. 15 - What is the key structural difference between...Ch. 15 - Protein shape, function, and amino acid sequence...Ch. 15 - What linkage joins the monomers in each strand of...Ch. 15 - What is base pairing? How does it pertain to DNA...Ch. 15 - RNA base sequence, protein amino acid sequence,...Ch. 15 - Prob. 15.93PCh. 15 - Prob. 15.94PCh. 15 - Draw the structure of each of the following...Ch. 15 - Prob. 15.96PCh. 15 - Write the sequence of the complementary DNA strand...Ch. 15 - Prob. 15.98PCh. 15 - Prob. 15.99PCh. 15 - Prob. 15.100PCh. 15 - Prob. 15.101PCh. 15 - Amino acids have an average molar mass of 100...Ch. 15 - Prob. 15.103PCh. 15 - Prob. 15.104PCh. 15 - Some of the most useful compounds for organic...Ch. 15 - Prob. 15.106PCh. 15 - Prob. 15.107PCh. 15 - Prob. 15.108PCh. 15 - Prob. 15.109PCh. 15 - Prob. 15.110PCh. 15 - Prob. 15.111PCh. 15 - Prob. 15.112PCh. 15 - The polypeptide chain in proteins does not exhibit...Ch. 15 - Prob. 15.114PCh. 15 - Prob. 15.115PCh. 15 - Prob. 15.116PCh. 15 - Prob. 15.117PCh. 15 - Wastewater from a cheese factory has the following...Ch. 15 - Prob. 15.119P
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