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प्रश्न
Write the molecular formula and possible structural formula of the first four members of homologous series of carboxylic acids.
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उत्तर
| S.No. | Name | Molecular formula | Structural formula |
| 1. | Formic acid | CH2O2 | \[\begin{array}{cc}\ce{O}\phantom{..}\\ ||\phantom{..}\\\ce{H - C - OH} \end{array}\] |
| 2. | Acidic acid | C2H4O2 | \[\begin{array}{cc}\phantom{.}\ce{O}\\ \phantom{.}||\\\ce{CH3 - C - OH} \end{array}\] |
| 3. | Propionic acid | C3H6O2 | \[\begin{array}{cc}\phantom{........}\ce{O}\\ \phantom{........}||\\\ce{CH3 - CH2 - C - OH}\end{array}\] |
| 4. | n - Butyric acid | C4H8O2 | \[\begin{array}{cc}\phantom{...............}\ce{O}\\ \phantom{...............}||\\\ce{CH3 - CH2 - CH2 - C - OH}\end{array}\] |
| 5. | iso - Butyric acid | C4H8O2 | \[\begin{array}{cc}\phantom{.......}\ce{O}\\ \phantom{.......}||\\\ce{CH3 - CH - C - OH}\\ |\phantom{......}\\\ce{CH3}\phantom{...} \end{array}\] |
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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.
\[\begin{array}{cc}\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\|\phantom{.....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
Which of the following is a hetero-aromatic benzenoid compound?
A and B are:
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 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 in each.
\[\ce{CH3 - CH2 - \overset{\oplus}{C}H - CH2 - CH3}\]
Identify the α-carbons in the following species and give the total number of α-hydrogen.
\[\ce{CH2 = CH - CH2 - CH3}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compound:
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}\\
\end{array}\]
