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4. Carbon and its Compounds
medium
How many structural isomers can you draw for pentane ?
Option A
Option B
Option C
Option D
Solution
Three structural isomers are possible for pentane.
$(i)$ $CH _{3}- CH _{2}- CH _{2}- CH _{2}- CH _{3}$
$(ii)$ $\begin{array}{*{20}{c}}
{C{H_3} – C{H_2} – CH – C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}\,\,}
\end{array}$
$(iii)$ $\begin{array}{*{20}{c}}
{\begin{array}{*{20}{c}}
{\,C{H_3}} \\
{|\,\,\,\,\,}
\end{array}} \\
{C{H_3} – CH – C{H_3}} \\
{|\,\,\,\,\,\,} \\
{\,\,C{H_3}}
\end{array}$
Standard 10
Science
