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(a) In tabular form, differentiate between ethanol and ethanoic acid under the following heads: 

(i) Physical state 

(ii) Taste

(iii) NaHCO3 test 

(iv) Ester test 

(b) Write a chemical reaction to show the dehydration of ethanol

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(a)

Properties Ethanol Ethanoic acid
(i) Physical State It is liquid with specific smell. It is also liquid with vinegar like smell.
(ii) Taste It has burning taste It has sour taste.
(iii) NaHCO3 test It does not react. It given brisk effervescence due to CO2.
(iv) Ester test Add acetic acid and conc.H2SO4, pleasant fruity smelling compound, ester is formed. Add ethy alcohol and conc.H2SO4, pleasant fruity smelling compound, ester is formed.

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