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प्रश्न
For the isomeric dihalobenzenes, melting point of __________
विकल्प
ortho isomer is higher
meta isomer is higher
para isomer is higher
all isomers is nearly same
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उत्तर
For the isomeric dihalobenzenes, melting point of para isomer is higher
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\[\begin{array}{cc}
\ce{CH3 - CH - CH2 - CH3}\\
|\phantom{.........}\\
\ce{OH}\phantom{.......}
\end{array}\]
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\ce{CH3 - CH2 - CH - CH2 - CH3}\\
|\phantom{..}\\
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\end{array}\]
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\ce{CH3 - CH2 - CH2 - CH2Br}
\end{array}\]
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|\phantom{.........}\\
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\end{array}\]
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