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  4. Zerevitinov’s determination of active hydrogen in a compound is based upon its reaction with

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Q. Zerevitinov’s determination of active hydrogen in a compound is based upon its reaction with

AIPMTAIPMT 1994Haloalkanes and Haloarenes

Solution:

Number of active hydrogen in a compound corresponds to the number of moles of $CH_4$ evolved per mole of the compound.
$- OH , - NH_2 , -SH, - OH $ or $-C = CH \xrightarrow{CH_3Mgl} CH_4 \uparrow (2CH_4 \, from - NH_2)$