English
Karnataka Board PUCPUC Science 2nd PUC Class 12

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

Advertisements
Advertisements

Question

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

Short/Brief Note
Advertisements

Solution

 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.

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: Haloalkanes and Haloarenes - Exercises [Page 142]

APPEARS IN

NCERT Exemplar Chemistry Exemplar [English] Class 12
Chapter 10 Haloalkanes and Haloarenes
Exercises | Q III. 45. | Page 142

RELATED QUESTIONS

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


Arrange the set of compounds in order of increasing boiling points.

1-Chloropropane, Isopropyl chloride, 1-Chlorobutane.


Explain why alkyl halides, though polar, are immiscible with water?


Define racemic mixture.


Why dextro and laevorotatory isomers of Butan-2-ol are difficult to separate by fractional distillation? 


For the same alkyl group, an alkyl bromide has a higher boiling point than alkyl fluoride because:


Which of the following halide is 2°?


The decreasing order of boiling points of alkyl halides is:


Arrange the following compounds in the increasing order of their densities.

(a)

(b)

(c)

(d)


Reaction of \[\ce{C6H5CH2Br}\] with aqueous sodium hydroxide follows ______.


Which of the following compounds will have the highest melting point and why?

(I)

(II)

(III)

Why is the boiling point of o-dichlorobenzene higher than p-dichlorobenzene, but the melting point of para-isomer is higher than ortho-isomer?


Arrange the isomeric dichlorobenzene in the increasing order of their boiling point and melting points.


Write the structure of the following organic halogen compound.

1,4-Dibromobut-2-ene


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


Write the structure of the following organic halogen compound.

4-tert-Butyl-3-iodoheptane


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×