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

Arrange the following compounds in increasing order of their boiling points. (a) CH3-CH(CH3)-CH2Br (b) CHA3CHA2CHA2CHA2Br - Chemistry

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प्रश्न

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

विकल्प

  • (b) < (a) < (c)

  • (a) < (b) < (c)

  • (c) < (a) < (b)

  • (c) < (b) < (a)

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उत्तर

(c) < (a) < (b)

Explanation:

Boiling points of isomeric haloalkanes decrease with increase in branching as with increase in branching surface area decreases which leads to decrease in intermolecular forces.

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Haloalkanes and Haloarenes - Exercises [पृष्ठ १३५]

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