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Question

Sugar charcoal can be obtained by treating sugar( C12H22O11 ) with .

A
conc.HCl
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B
conc.H2SO4
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C
conc.HNO3
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Solution

The correct option is B conc.H2SO4
Sugar charcoal is the purest form of amorphous carbon. It can be prepared by the dehydration of sugar in the presence of concentrated sulphuric acid (conc.H2SO4). Since sulphuric acid is a dehydrating agent, it absorbs water from the sugar and leaves behind black residue of carbon.

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