Q.

C2H5OH  on oxidation with acidified  K2Cr2O7  gives  CH3COOH . Which of the following statements is /are correct regarding these two compounds ?

I) They both react with sodium metal to evolve a combustible gas.

II) They both react with  NaHCO3 to evolve a gas which turns lime water milky.

III) They both turn blue litmus red

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a

I only

b

I and II only

c

II only

d

I, II and III

answer is C.

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Detailed Solution

I) They both react with sodium metal to evolve a combustible gas

2C2H5OH+2Na2C2H5ONa+H2

2CH3COOH+2Na2CH3COONa+H2

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