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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Out of o-and p-dibromobenzene which one has higher melting point and why?

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प्रश्न

Out of o-and p-dibromobenzene which one has higher melting point and why?

टीपा लिहा
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उत्तर

 p-Dibromobenzenc has higher melting point than its o-isomer.

It is due to symmetry of p-isomer which fits in crystal lattice better than the o-isomer.

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पाठ 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ १४२]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 10 Haloalkanes and Haloarenes
Exercises | Q III. 45. | पृष्ठ १४२

संबंधित प्रश्‍न

Give reasons : n-Butyl bromide has higher boiling point than t-butyl bromide.


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Bromomethane, Bromoform, Chloromethane, Dibromomethane.


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Arrange the following compounds in increasing order of their boiling points.

(a)  \[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
\backslash\phantom{...........}\\
\ce{CH - CH - CH2Br}\\
/\phantom{.............}\\
\ce{CH3}\phantom{..................}
\end{array}\]

(b) \[\ce{CH3CH2CH2CH2Br}\]

(c) \[\begin{array}{cc}
\phantom{...}\ce{CH3}\\
\phantom{}|\\
\ce{H3C - C - CH3}\\
\phantom{}|\\
\phantom{..}\ce{Br}
\end{array}\]


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Which is the correct increasing order of boiling points of the following compounds?

1-Iodobutane, 1-Bromobutane, 1-Chlorobutane, Butane


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(I)

(II)

(III)

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4-tert-Butyl-3-iodoheptane


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4-tert-Butyl-3-iodoheptane


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


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