Question

Write the equation of reaction showing H2so4 as a dehydrating agent

Answer 1

Concentrated H2SO4 absorbs water and acts as dehydrating agent. It absorbs H2O from sugar, starch, paper, wood, cloth etc.

C6H12O6 ———> 6C + 2H2O

(C6H10O5)n (starch) ———> 6nC + 5nH2O

C12H22O11 (sucrose or sugar) ——-> 12C + 11H2O