Three alkenes are produced when the following seven-membered ring alcohol is dehydrated. Propose a mechanism to explain how they are formed.

Mechanism of dehydration reaction showing steps to form three alkenes from a seven-membered ring alcohol.

Detailed mechanism of dehydration reaction with arrows indicating electron movement to form alkenes.

Stepwise mechanism of dehydration reaction illustrating formation of alkenes from a seven-membered ring alcohol.

Visual representation of dehydration mechanism showing electron flow and product formation from a seven-membered ring.