Which of the following does not give benzoic acid on hydrolysis?

• Phenyl cyanide

• Benzoyl chloride

• Benzyl chloride

• Methyl benzoate

Waxes are esters of

• glycerol

• long chain alcohols

• glycerol and fatty acid

• long chain alcohols and long chain fatty acids

Among the following, which is least acidic?

• phenol

• o-cresol

• p-nitrophenol

• p-chlorophenol

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

The compound which is not formed during the dry distillation of a mixture of calcium formate and calcium acetate is

• methanal

• propanal

• propanone

• ethanal

The reaction involved in the oil of winter green test is salicylic acid $\underset{\mathrm{conc}. {\mathrm{H}}_2{\mathrm{SO}}_4}{\overset{∆}{\to }}$ product. The product is treated with Na₂CO₃ solution. The missing reagent in the above reaction is

• phenol

• NaOH

• ethanol

• methanol

Lucas test is associated with

• aldehydes

• phenols

• carboxylic acids

• alcohols

Out of the compounds below the vapour pressure of (B) at a particular temperature is

• higher than that of (A)

• lower than that of (A)

• higher or lower than (A), depending on the size of the vessel

• same as that of (A)

219.

An oxygen containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is

• an aldehyde

• a primary alcohol

• a secondary alcohol

• a ketone

Phenol $\stackrel{\mathrm{X}}{\to }$ forms a tribromo derivative, 'X' is

• bromine in benzene

• bromine in water

• potassium bromide solution

• bromine in carbon tetrachloride at 0°C