Answer plz asap..
The alcohol can be heated with concentrated sulphuric acid or concentrated phosphoric acid to produce an alkene. It is effectively an E1 elimination reaction since step (2) is the rate determining step.
R2CH-C(OH)R2 --> R2C=CR2 + H2O
General Mechanism: Acid-Catalyzed Dehydration of an Alcohol
Step 1: Protonation of hydroxyl group
Step 2: Ionization to carbocation
Deprotonation to give the alkene
Carbocation is formed in second step, So assertion is not true. Water is a good leaving group.
Therefore correct answer is D