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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) \[\begin{array}{cc}
\phantom{...}\ce{CH3}\\
\phantom{}|\\
\ce{H3C - C - CH3}\\
\phantom{}|\\
\phantom{..}\ce{Br}
\end{array}\]
पर्याय
(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.
संबंधित प्रश्न
p-Dichlorobenzene has higher m.p. and lower solubility than those of o- and m-isomers. Discuss.
Which of the following compounds has the highest boiling point?
How many structural isomers are possible for a compound with the molecular formula C3H7Cl?
Which of the following is liquid at room temperature (b.p. is shown against it)?
Which of the following possesses the highest melting point?
p-dichlorobenzene has a higher melting point than its o- and m-isomers because ____________.
Reaction of \[\ce{C6H5CH2Br}\] with aqueous sodium hydroxide follows ______.
Out of o-and p-dibromobenzene which one has higher melting point and why?
Which of the following compounds will have the highest melting point and why?
| (I) |  |
|
(II) |
 |
| (III) |  |
Assertion: The boiling points of alkyl halides decrease in the order:
RI > RBr > RCl > RF
Reason: The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass.
Which out of the following is an intensive property?
Why alkyl halides though polar are immiscible with water?
Why is the boiling point of o-dichlorobenzene higher than p-dichlorobenzene, but the melting point of para-isomer is higher than ortho-isomer?
Write the structure of the following organic halogen compound.
4-tert-Butyl-3-iodoheptane
Name the following halides according to the IUPAC system and classify them as alkyl, allyl, benzyl (primary, secondary, tertiary), vinyl or aryl halide:
\[\ce{CH3 C(C2H5)2CH2Br}\]
Write the structure of the following organic halogen compound.
4-tert-Butyl-3-iodoheptane
