Chemistry : Alcohols, Phenols and Ethers

Reaction of one molecule of HBr with one molecule of 1,3-butadiene at 400 C gives predominantly

• 3-bromobutene under kinetically controlled conditions

• 1-bromo-2-butene under thermodymically controlled conditions

• 3-bromobutene under thermodynamically controlled conditions

• 3-bromobutene under thermodynamically controlled conditions

Acid catalyzed hydration of alkenes except ethene leads to the formation of

• primary alcohol

• secondary or tertiary alcohol

• mixture of primary and secondary alcohols

• mixture of primary and secondary alcohols

The reaction



is fastest when X is

• Cl

• NH₂

• OC₂H₅

• OC₂H₅

The IUPAC name of the compound

• 3, 3- dimethyl -1- hydroxy cyclohexane

• 1,1 – dimethyl -3- cyclohexanol

• 3,3- dimethyl -1- cyclohexanol

• 3,3- dimethyl -1- cyclohexanol

On mixing ethyl acetate with aqueous sodium chloride, the composition of the resultant solution is

• CH₃COOC₂H₅ + NaCl

• CH₃Cl + C₂H₅COONa

• CH₃COCl + C₂H₅OH + NaOH

• CH₃COCl + C₂H₅OH + NaOH

Acetyl bromide reacts with excess of CH₃MgI followed by treatment with a saturated solution of NH₄Cl given

• acetone

• acetyl iodide

• 2- methyl -2- propanol

• 2- methyl -2- propanol

Which one of the following reduced with zinc and hydrochloric acid to give the corresponding hydrocarbon?

• Ethyl acetate

• Butan -2-one

• Acetamide

• Acetamide

Which of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid?

• Phenol

• Benzoic acid

• Butanal

• Butanal

Among the following compound which can be dehydrated very easily is

Phenol reacts with methyl chloroformate in the presence of NaOH to form product A. A reacts with Br₂ to form product B. A and B are respectively: