Question

During dehydration of alcohols to alkenes by heating with concentrated H2SO4 the initiation step is

• A. Protonation of alcohol molecule
• B. Formation of carbocation
• C. Elimination of water
• D. Formation of an ester

Answer 1

Answer: (A)

Protonation of alcohol molecule

Answer 2

R – OH$\xrightarrow { \mathrm { H } ^ { \oplus } }$ $\mathrm { R } - \stackrel { \oplus } { \mathrm { O } } \mathrm { H } _ { 2 }$ this step is initiation step