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ICSE Class 10 Chemistry Question 4 of 23

Solved 2024 Specimen Paper ICSE Class 10 Chemistry — Question 5

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5
Question

Question 1(v)

Glucose reacts with concentrated sulphuric acid to give a very pure form of carbon called sugar charcoal.

The reaction taking place is:

  1. oxidation
  2. combustion
  3. dehydration
  4. combination
Answer

dehydration

Reason — Concentrated sulphuric acid is a strong dehydrating agent due to its strong affinity for water, hence, the reaction taking place is a dehydration reaction.

C6H12O6 →Conc. H2SO4\xrightarrow {\text{Conc. H}_2\text{SO}_4} 6C + 6H2O