JEE Questions for Chemistry Alcohols Phenols And Ethers Quiz 10 - MCQExams.com

Consider the following alcohols:
I. 1-Phenyl-1- propanol
II. 3-Phenyl-1-propanol
III. 1-Phenyl-2-propanol
The correct sequence of decreasing order of reactivity of these alcohols in their reaction with HBr is
  • I > II > III
  • II > I > III
  • I > III > II
  • II > III > I
Identify X in the following sequence of reactions:
Chemistry-Alcohols Phenols and Ethers-296.png
  • CH3COCH2CH3
  • CH3CH2CH2CHO
  • (CH3)2CHCHO
  • CH3CH2CH2CH2OH
Glycerol is obtained from propylene (CH3CH = CH2)by using the following reagents:
I. Cl2 II. Na2CO3 III.HOCl IV. NaOH
The correct sequence in which these reagents are used is
  • II, I, IV, III
  • II, I, III, IV
  • I, II, IV, III
  • I, II, III, IV

Chemistry-Alcohols Phenols and Ethers-298.png

  • Chemistry-Alcohols Phenols and Ethers-299.png
  • 2)
    Chemistry-Alcohols Phenols and Ethers-300.png

  • Chemistry-Alcohols Phenols and Ethers-301.png

  • Chemistry-Alcohols Phenols and Ethers-302.png
The reaction conditions for the following conversion are:
CH3(CH2)6CH2Br → CH3(CH2)6CH2F
  • Aq. KF at 373 K
  • KF/C6H6 at 363 K
  • KF/C6H6/18-Crown- 6 at 363 K
  • None

Chemistry-Alcohols Phenols and Ethers-304.png

  • Chemistry-Alcohols Phenols and Ethers-305.png
  • 2)
    Chemistry-Alcohols Phenols and Ethers-306.png

  • Chemistry-Alcohols Phenols and Ethers-307.png

  • Chemistry-Alcohols Phenols and Ethers-308.png

Chemistry-Alcohols Phenols and Ethers-310.png
  • 1,2-Epoxycyclohexane, trans-2-bromocyclohexanol
  • 1,2-Epoxycyclohexane, cis-2-bromo-cyclohexanol
  • trans-2-Bromocyclohexanol, 1,2-epoxyethane
  • cis-2-Bromocyclohexanol 1,2-epoxyethane
Which of the following ethers is cleaved even by hydrogen chloride at room temperature?
  • C6H5 – O – CH2CH3
  • CH3CH2 – O – CH2CH3
  • (CH3)3C – O – CH2CH3
  • (CH3)3C – O– C(CH3)3
The final product B in the following reaction
Chemistry-Alcohols Phenols and Ethers-313.png
  • Methyl 1-methylallyl sulphide
  • Allyl methyl sulphide
  • N-Butyl methyl sulphide
  • Diallyl sulphide
trans-Cyclohexane-1, 2-diol can be obtained by the reaction of cyclohexene with
  • KMnO4
  • OsO4
  • Peroxyformic acid
  • SeO2
In the reaction sequence
Chemistry-Alcohols Phenols and Ethers-316.png
  • 1-Bromopropane
  • 2-Bromopropane
  • 3-Bromopropene
  • 1, 2-Dibromopropane

Chemistry-Alcohols Phenols and Ethers-318.png
  • C6H5OC2H5
  • C2H5OC2H5
  • C6H5OC6H5
  • C6H5I
Dehydration of the following in increasing order is
Chemistry-Alcohols Phenols and Ethers-320.png
  • I < II < III < IV
  • II < III < IV < I
  • I < III < II < IV
  • I < IV < II = III
Choose the correct statement about the following reaction
Chemistry-Alcohols Phenols and Ethers-322.png
  • Low temperatures (< 323K) favour the formation of II
  • High temperatures (> 423 K ) favour the formation of I
  • I is more volatile than II
  • All are correct
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