Advertisements
Advertisements
Question
Write the molecular formula and possible structural formula of the first four members of homologous series of carboxylic acids.
Advertisements
Solution
| 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 | \[\begin{array}{cc}\phantom{.......}\ce{O}\\ \phantom{.......}||\\\ce{CH3 - CH - C - OH}\\ |\phantom{......}\\\ce{CH3}\phantom{...} \end{array}\] |
APPEARS IN
RELATED QUESTIONS
Draw a formula for the first five members of the homologous series beginning with the given compound.
CH3COCH3
Identify primary, secondary, tertiary, and quaternary carbon in the following compound.
\[\begin{array}{cc}\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\|\phantom{.....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compound.
Write the first four members of the homologous series that begins with CH3CHO. Also, write down their general molecular formula.
The reagent used to confirm the presence of five hydroxyl groups in glucose is ____________.
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 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.
\[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\phantom{..}\ce{CH3}\phantom{..............}\\
\end{array}\]
Identify primary, secondary, tertiary and quaternary carbon in the following compound.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{....................}\\
\ce{CH3 - C - CH - CH2 - CH2 - CH3}\\
|\phantom{....}|\phantom{................}\\
\ce{CH3}\phantom{.}\ce{CH3}\phantom{..............}
\end{array}\]
