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प्रश्न
Write a note on homologous series.
उत्तर
A series of organic compounds each containing a characteric functional group and the successive members differ from each other in a molecular formula by a CH2 group is called homologous series.
Example:
- Alkanes:
Methane (CH4), Ethane (C2H6), Propane (C3H8) etc.. - Alcohols:
Methanol (CH3OH), Ethanol (C2H5OH) Propanol (C3H7OH) etc…
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संबंधित प्रश्न
Draw a formula for the first five members of the homologous series beginning with the given compound.
CH3COCH3
Identify the functional group in the following compound.
Identify primary, secondary, tertiary, and quaternary carbon in the following compound.
\[\begin{array}{cc}\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\|\phantom{.....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
What is meant by homologous series?
Write the molecular formula of the first six members of homologous series of nitro – alkanes.
Which of the following yields only one type of monosubstituted chloroalkane upon chlorination?
How many 3° carbon atoms are present in 1, 4 dibromo-2-methylpentane?
An organic compound 'X' (molecular formula C6H7O2N) has six carbons in a ring system, two double bonds and also a nitro group as a substituent, 'X' is ______.
Identify primary, secondary, tertiary, and quaternary carbons in the following compound.
\[\begin{array}{cc}
\ce{CH3\phantom{.................}}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3 CH3\phantom{.............}}
\end{array}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compound.
\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
