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प्रश्न
Arrange the following compounds in the increasing order of their boiling points:
\[\ce{CH3CH2CH2CH2Br,}\]
\[\begin{array}{cc}
\ce{CH3}\phantom{...................}\\
\backslash\phantom{...............}\\
\ce{CH - CH2Br,}\\
/\phantom{...............}\\
\ce{CH3}\phantom{...................}
\end{array}\]
\[\begin{array}{cc}
\phantom{...}\ce{CH3}\\
\phantom{}|\\
\ce{CH3 - C - CH3}\\
\phantom{}|\\
\phantom{..}\ce{Br}
\end{array}\]
रासायनिक समीकरण/संरचनाएँ
लघु उत्तरीय
उत्तर
For isomeric alkyl halides, boiling point decreases with an increase in branching due to less surface area and weak intermolecular forces. The increasing order is:
| \[\begin{array}{cc} \phantom{...}\ce{CH3}\\ \phantom{}|\\ \ce{CH3 - C - CH3}\\ \phantom{}|\\ \phantom{..}\ce{Br} \end{array}\] |
\[\ce{<}\] | \[\begin{array}{cc} \ce{CH3}\phantom{.................}\\ \backslash\phantom{.............}\\ \ce{CH - CH2Br}\\ /\phantom{.............}\\ \ce{CH3}\phantom{.................} \end{array}\] |
\[\ce{<}\] | \[\ce{CH3CH2CH2CH2Br}\] |
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