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Q.

Which of the following is used to estimate acidic H in any organic compound?

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a

Zerewtttinoffs method

b

Duma's method

c

 Bielstien's method

d

Zeisel method 

answer is B.

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Detailed Solution

The Zerewitinoff determination or Zerevitinov determination is a quantitative chemical test for the determination of active hydrogens in a chemical substance. A sample is treated with the Grignard reagent, methylmagnesium iodide, which reacts with any acidic hydrogen atom to form methane.

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