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In Liebig's method for the estimation of...

In Liebig's method for the estimation of C and H, if the compound also contains halogens, which of the following is kept near the exit of the combustion tube?

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The correct Answer is:
C
Halogens react with Ag to give AgX which reacts with `PbCrO_4` to precipitate `Ag_2CrO_4`.
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CENGAGE CHEMISTRY ENGLISH-PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS-Single Correct Answer Type
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