Alcohols, Phenols and Ethers

CO₂ acts as electrophile in which reaction?

• Williamson's reaction

• Kolbe reaction

• Perkin's reaction

• Reimer-Tiemann reaction

Except one, the other three are isomers, find odd man out

• vinyl alcohol

• ethanol

• oxiran

• oxitane

A compound that undergoes bromination easily is

• toulene

• benzoic acid

• phenol

• benzene

Glycerol, ethanol, glycol and methanol have same price per kilogram. Which liquid will be cheaper in preparing antifreeze,solution for automobile radiators?

• Methanol

• Ethanol

• Glycol

• Glycerol

Which of the following combinations can be used to synthesise ethanol?

• CH₃MgI and CH₃COCH₃

• CH₃MgI and C₂H₅OH

• CH₃MgI and CHCH₃COOC₂H₅

• CH₃MgI and HCOOC₂H₅

Cumene process is the most important commercial method for the manufacture of phenol. Cumene is

• 1-methyl ethyl benzene

• ethyl benzene

• vinyl benzene

• propyl benzene

A gas formed by the action of alcoholic KOH on ethyl iodide, decolourises alkaline KMnO₄. The gas is

• C₂H₆

• CH₄

• C₂H₂

• C₂H₄

4-chloro-3, 5-dimethyl phenol is called

• Chloramphenicol

• Paracetamol

• Barbital

• Dettol

The function of AlCl₃ in Friedel-Craft's reaction is

• to absorb HCl

• to absorb water

• to produce nucleophile

• to produce electrophile

Phenol $\stackrel{{\mathrm{NaNO}}_2/ {\mathrm{H}}_2{\mathrm{SO}}_4}{\to } \mathrm{B} \stackrel{{\mathrm{H}}_2\mathrm{O}}{\to } \mathrm{C} \stackrel{\mathrm{NaOH}}{\to } \mathrm{D}$

Name of the above reaction is

• Liebermann's reaction

• Phthalein fusion test

• Reimer-iemann reaction

• Schotten-Baumann reaction