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(I) 1, 2 - dihydroxy beznene
(II) 1, 3 - dihydroxy benzene
(III) 1, 4 - dihydroxy benzene
(IV) Hydroxy benzene
The increasing order of boiling points of above mentioned alcohols is               [JEE-2006]
  • a)
    I < II < III < IV
  • b)
    I < II < IV < III
  • c)
    IV < I < II < III
  • d)
    IV < II < I < III
Correct answer is option 'C'. Can you explain this answer?
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(I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - ...
(c) Among the given compounds, hydroxybenzene (IV) has least molar mass and therefore posses least boiling point. Among the three isomeric dihydroxybenzenes, 1,2- dihydroxybenzene (I) forms intramolecural H-bonding with the result it will not form intermolecular H-bonding leading to lowest boiling point. On the other hand 1,3-dihydroxybenzene (II) and 1,4-dihyroxybenzene (III)do not undergo chelation, hence they will involve extensive intermolecular H-bonding leading to higher boiling point. Further intermolecular hydrogen bonding is stronger in the p-isomer than the m-isomer hence former has highest b.p. Thus the deacreasing order of boiling points is III > II > I >IV.
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(I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - ...
Boiling point~molecular mass
In isomers PARA,meta,Ortho order follow
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(I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - dihydroxy benzene(IV) Hydroxy benzeneThe increasing order of boiling points of above mentioned alcohols is [JEE-2006]a)I < II < III < IVb)I < II < IV < IIIc)IV < I < II < IIId)IV < II < I < IIICorrect answer is option 'C'. Can you explain this answer?
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(I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - dihydroxy benzene(IV) Hydroxy benzeneThe increasing order of boiling points of above mentioned alcohols is [JEE-2006]a)I < II < III < IVb)I < II < IV < IIIc)IV < I < II < IIId)IV < II < I < IIICorrect answer is option 'C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about (I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - dihydroxy benzene(IV) Hydroxy benzeneThe increasing order of boiling points of above mentioned alcohols is [JEE-2006]a)I < II < III < IVb)I < II < IV < IIIc)IV < I < II < IIId)IV < II < I < IIICorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for (I) 1, 2 - dihydroxy beznene(II) 1, 3 - dihydroxy benzene(III) 1, 4 - dihydroxy benzene(IV) Hydroxy benzeneThe increasing order of boiling points of above mentioned alcohols is [JEE-2006]a)I < II < III < IVb)I < II < IV < IIIc)IV < I < II < IIId)IV < II < I < IIICorrect answer is option 'C'. Can you explain this answer?.
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