Problem 2
Write structures of the compounds whose IUPAC names are as follows: (i) 2-Methylbutan-2-ol (ii) 1 -Phenylpropan-2-ol (iii) 3,5 -Dimethylhexane \(-1,3,5\) -triol (iv) \(2,3-\) Diethylphenol (v) 1 - Ethoxypropane (vi) 2-Ethoxy-3-methylpentane vii) Cyclohexylmethanol (viii) 3 -Cyclohexylpentan-3-ol (ix) Cyclopent-3-en-1-ol (x) 4-Chloro-3-ethylbutan-1-ol.
Problem 3
(i) Draw the structures of all isomeric alcohols of molecular formula \(\mathrm{C}_{5} \mathrm{H}_{12} \mathrm{O}\) and give their IUPAC names. (ii) Classify the isomers of alcohols in question \(11.3\) (i) as primary, secondary and tertiary alcohols.
Problem 4
Explain why propanol has higher boiling point than that of the hydrocarbon. butane?
Problem 5
Alcohols are comparatively more soluble in water than hydrocarbons of comparable molecular masses. Explain this fact.
Problem 6
What is meant by hydroboration-oxidation reaction? Illustrate it with an example.
Problem 7
Give the structures and IUPAC names of monohydric phenols of molecular formula, \(\mathrm{C}_{7} \mathrm{H}_{8} \mathrm{O}\).
Problem 8
While separating a mixture of ortho and para nitrophenols by steam distillation, name the isomer which will be steam volatile. Give reason.
Problem 9
Give the equations of reactions for the preparation of phenol from cumene.
Problem 10
Write chemical reaction for the preparation of phenol from chlorobenzene.
Problem 13
Show how will you synthesise: (i) 1 -phenylethanol from a suitable alkene. (ii) cyclohexylmethanol using an alkyl halide by an \(\mathrm{S}_{\mathrm{N}} 2\) reaction. (iii) pentan-1-ol using a suitable alkyl halide?
