Concept explainers
a) C6H5N
Interpretation:
The degree of unsaturation in C6H5N is to be calculated.
Concept introduction:
The degree of unsaturation is equal to the number of rings and/or multiple bonds present in the molecule. The general formula of
To calculate:
The degree of unsaturation in C6H5N.
b) C6H5NO2
Interpretation:
The degree of unsaturation in C6H5NO2 is to be calculated.
Concept introduction:
The degree of unsaturation is equal to the number of rings and/or multiple bonds present in the molecule. The general formula of alkanes is CnH2n+2. Knowing this relationship and by working backward the degree of unsaturation in a molecule can be calculated. Each ring or a double bond in a molecule corresponds to a loss of two hydrogens from the formula of alkane. If the compound contains halogens, oxygen and/or nitrogen, then the number of halogens is to be added to the number of hydrogens, the number of oxygens to be ignored and number of the nitrogens is to be subtracted, in arriving at an equivalent hydrocarbon formula.
To calculate:
The degree of unsaturation in C6H5NO2.
c) C8H9Cl3
Interpretation:
The degree of unsaturation in C8H9Cl3 is to be calculated.
Concept introduction:
The degree of unsaturation is equal to the number of rings and/or multiple bonds present in the molecule. The general formula of alkanes is CnH2n+2. Knowing this relationship and by working backward the degree of unsaturation in a molecule can be calculated. Each ring or a double bond in a molecule corresponds to a loss of two hydrogens from the formula of alkane. If the compound contains halogens, oxygen and/or nitrogen, then the number of halogens is to be added to the number of hydrogens, the number of oxygens to be ignored and number of the nitrogens is to be subtracted, in arriving at an equivalent hydrocarbon formula.
To calculate:
The degree of unsaturation in C8H9Cl3.
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Chapter 7 Solutions
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