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Elements of Groups 16, 17 and 18 — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryElements of Groups 16, 17 and 182 Marks
Question
Write the reaction of conc. $H_2SO_4$ with sugar.
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Answer

Concentrated sulphuric acid when added to sugar, it is dehydrated giving carbon.$C _{12} H _{22} O _{11} \stackrel{\text { conc. } H _2 SO _4}{\longrightarrow} 12 C +11 H _2 O$
The carbon that is left behind is called sugar charcoal and the process is called char.

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