Aqueous 10% NaHCO₃ solution is used as a reagent for identifying 'A'. Which of the following compounds yield 'A' on hydrolysis?

• CH₃COOC₂H₅

• C₂H₅-COO-C₂H₅

• CH₃CHO

• CH₃CH₂OH

752.

When a mixture of 1-hexanol and hexanoic acid in diethyl ether is shaken with an aqueous NaHCO₃ solution, then which of the following is right distribution?

• In ether	In sodium bicarbonate solution
  Sodium hexanoate	1- hexanol

• 1- hexanol

  Hexanoic acid

• 1- hexanol

  Sodium hexanoate

• Hexanoic acid

  1- hexanol

The correct order of increasing acidic strength is

• phenol < ethanol < chloroacetic acid < acetic acid

• ethanol < phenol < chloroacetic acid < acetic acid

• ethanol < phenol < acetic acid < chloroacetic acid

• chloroacetic acid < acetic acid < phenol < ethanol

The best method for the conversion of an alcohol into an alkyl chloride is by treating the alcohol with

• PCl₃

• PCl₅

• SOCl₂ in presence of pyridine

• dry HCl in the presence of anhydrous ZnCl₂

Ethyl alcohol reacts with thionyl chloride to give

• CH₃CH₂Cl + HCl

• CH₃CH₂Cl + H₂O + SO₂

• CH₃CH₂Cl +HCl + SO₂

• CH₃CH₂Cl +SO₂ + Cl₂

Primary alcohols can be obtained from the reaction of R Mg X with

• CO₂

• HCHO

• CH₃CHO

• H₂O

The best method to separate the mixture of ortho and para nitrophenol (1 : 1) is

• vaporisation

• colour spectrum

• distillation

• crystallisation

Which is used in alcoholic beverages ?

• Methanol

• Ethanol

• Phenol

• Glycerol

Lucas reagent is

• anhy. ZnCl₂ and NH₃

• anhy. ZnCl₂ and CaCl₂

• anhy. ZnCl₂ and conc. HCl

• anhy. ZnCl₂ and conc. HCl gas

The enzyme which can catalyse the conversion of glucose to ethanol is

• zymase

• invertase

• maltase

• diastase