Alcohols and Ethers - Result Question 12
####15. (I) 1, 2-dihydroxy benzene
(II) 1, 3-dihydroxy benzene
(III) 1, 4-dihydroxy benzene
(IV) Hydroxy benzene
The increasing order of boiling points of above mentioned alcohols is
(2006, 3M)
(a) I
(b) I
(c) IV
(d) IV
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Answer:
Correct Answer: 15. (c)
Solution:
- All dihydroxy benzene will have higher boiling points than monohydroxy benzene. Also, among dihydroxy benzenes, 1, 2,-di-hydroxy benzene has lowest boiling point due to intramolecular H-bonding.
(intramolecular H-bonding in 1,2-dihydroxy benzene)
