Chapter 21.2, Problem 15SSC

Interpretation Introduction

Interpretation:

The molecular structure of 3, 4-diethylheptane needs to be drawn.

Concept introduction:

The hydrocarbon compounds that contains single bond(s) between carbon atom(s) are said to be saturated hydrocarbon. Hydrocarbon compounds containing single bonds only are said to be alkane.

Answer to Problem 15SSC

Explanation of Solution

Alkanes are compounds containing carbon and hydrogen atoms having single bond(s) between carbon atom(s) in the structure. For number of carbons atoms in alkane chain, the prefix is given as:

Carbon-1   meth

Carbon-2   eth

Carbon-3   prop    

Carbon-4   but      

Carbon-5   pent

Carbon-6   hex

Carbon-7   hept

Carbon-8   oct

Carbon-9   non     

Carbon-10       dec

The numbering of the carbon chain is done in such a way that substituents gets lower number.

The given name is 3, 4-diethylheptane that means the parent chain has 7 number of carbons in the chain and -diethyl represents the presence of two ethyl substituents at position 3 and 4. So, the structure of 3, 4-diethylheptane is:

Interpretation Introduction

Interpretation:

The molecular structure of 4-isopropyl-3-methyldecane needs to be drawn.

Concept introduction:

The hydrocarbon compounds that contains single bond(s) between carbon atom(s) are said to be saturated hydrocarbon. Hydrocarbon compounds containing single bonds only are said to be alkane.

Answer to Problem 15SSC

Explanation of Solution

The given name is 4-isopropyl-3-methyldecane that means the parent chain has 10 number of carbons in the chain and -isopropyl represents the presence of isopropyl substituent at position 4 and -methyl substituent at position 3. So, the structure of 4-isopropyl-3-methyldecane is:

Interpretation Introduction

Interpretation:

The structure of 1-ethyl-4-methylcyclohexane needs to be drawn.

Concept introduction:

When the carbon atoms of hydrocarbons are arranged in such a way that it results in the formation of ring then it is said to be cycloalkanes.

Answer to Problem 15SSC

Explanation of Solution

The given name is 1-ethyl-4-methylcyclohexane that means the parent chain contains cyclic ring of 6 carbon atoms and -ethyl represents the presence of ethyl substituent at position 1 and -methyl substituent at position 4. So, the structure of 1-ethyl-4-methylcyclohexane is:

Interpretation Introduction

Interpretation:

The structure of 1, 2-dimethylcyclopropane needs to be drawn.

Concept introduction:

When the carbon atoms of hydrocarbons are arranged in such a way that it results in the formation of ring then it is said to be cycloalkanes.

Answer to Problem 15SSC

Explanation of Solution

The given name is 1, 2-dimethylcyclopropane that means the parent chain contains cyclic ring of 3 carbon atoms and -dimethyl represents the presence of 2 methyl substituent at position 1 and 2. So, the structure of 1, 2-dimethylcyclopropane is: