Concept explainers
Interpretation:
The number of hydrogen atoms in an
Concept introduction:
Compounds that contains only carbon and hydrogen atoms are said to be hydrocarbons. The hydrocarbons can be saturated or unsaturated classified on the basis of the type of bond present in the compound.
Answer to Problem 79A
The number of hydrogen atoms in an alkane having nine carbon atoms is 20 and the number of hydrogen atoms in an alkene with nine carbon atoms and one double bond is 18.
Explanation of Solution
The hydrocarbon compounds that contains single bond(s) between carbon atom(s) are said to be saturated hydrocarbon whereashydrocarbon compounds that contains multiple bond(s) between carbon atom(s) are said to be
The general formula of alkane is The number of carbon atoms given are 9 so, the value of n is 9 for the general formula. Now, finding the number of hydrogen atoms in the molecule by substituting the value of n in general formula as:
So, a straight chain of 9 carbon and 20 hydrogen atoms is:
The general formula of alkene is The number of carbon atoms given are 9 so, the value of n is 9 for the general formula. Now, finding the number of hydrogen atoms in the molecule by substituting the value of n in general formula as:
So, a straight chain of 9 carbon, 18 hydrogen atoms with one double bond is:
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