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प्रश्न
What is meant by homologous series?
उत्तर
A series of compounds of the same family in which each member has the same type of carbon skeleton and functional group and differs from the next member by a constant difference of one methylene group \[\ce{(-CH2-)}\] in its molecular and structural formula is called a homologous series.
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संबंधित प्रश्न
Draw a formula for the first five members of the homologous series beginning with the given compound.
H–COOH
Draw a formula for the first five members of the homologous series beginning with the given compound.
CH3COCH3
Draw a formula for the first five members of the homologous series beginning with the given compound.
H–CH=CH2
Identify the functional group in the following compound.
Identify the functional group in the following compound.
Find out all the functional groups present in the following polyfunctional compound.
Penicillin G, a naturally occurring antibiotic.
Identify primary, secondary, tertiary, and quaternary carbon in the following compound.
\[\begin{array}{cc}\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\|\phantom{.....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
Write the first four members of the homologous series that begins with H-C≡C-H. Also, write down their general molecular formula.
Describe the classification of organic compounds based on their structure.
Write the molecular formula and possible structural formula of the first four members of homologous series of carboxylic acids.
Identify the pair of organic compounds which belongs to homologous series.
What is the molecular formula of pyran?
Identify the number of carbon atoms and number of oxygen atoms respectively present in pyran molecule.
How many primary, secondary and tertiary carbon atoms respectively are present in isobutane?
Identify the number of carbon atoms and number of oxygen atoms respectively present in furan molecule.
A and B are:
The correct decreasing order of priority for the functional groups of organic compounds in the IUPAC system of nomenclature is ______.
Identify primary, secondary, tertiary, and quaternary carbon in the following compound.
\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3} \ce{CH3}\phantom{..............}
\end{array}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compounds.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
\phantom{}|\phantom{....}|\phantom{...............}\\
\phantom{}\ce{CH3}\phantom{.}\ce{CH3}\phantom{.............}
\end{array}\]
Identify primary, secondary, tertiary, and quaternary carbon in the following compounds.
\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
\phantom{}|\phantom{....}|\phantom{................}\\
\phantom{.}\ce{CH3\phantom{.}CH3}\phantom{..............}
\end{array}\]
Identify the α - carbons in the following species and give the total number of
\[\ce{CH3 -CH2 -\overset{⊕}{C}H -CH2 -CH3}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compounds.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\ce{CH3}\phantom{..............}
\end{array}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compound.
\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\ce{CH3}\phantom{..............}
\end{array}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
