Ethanol to acetone

How will you bring about the following conversions : (i) Ethanol of acetone (ii) Benzene to acetophenone (iii) Benzoic acid to benzaldehyde.

What type of non-idealities are exhibited by cyclohexane-ethanol and acetone-chloroform mixture? Give reasons for your answer.

How will you distinguish among the following pairs? (a) n-Propyl alcohol and isopropyl alcohol (b) n-Butyl, sec-butyl and tert-butyl alcohols. (c ) Ethanol and chloroform. (d) Ethanol and acetone. (e ) Ethanol and propan-1-ol. (f) Glycerol and suger solution. (g) Allyl alcohol and n-propyl alcohol.

Give reasons for the following : (a) When 2g of benzoic acid is dissolved in 25 g of benzene, the experimentally determined molar mass is always greater than the true value. (b) Mixture of ethanol and acetone shows positive deviation from Raoult's Law. (c) The preservation of fruits by adding concentrated sugar solution protects against bacterial action.