The reaction shown below is an example of thiol synthesis.

The reaction consists of thiourea reacting with an alkyl chloride, followed by hydroxide-ion-promoted hydrolysis. What is the reaction's mechanism?

Mechanism of thiol synthesis with arrows indicating electron movement.

Detailed mechanism of thiol synthesis with electron flow and product formation.

Alternative view of thiol synthesis mechanism with electron movement.

Another perspective of thiol synthesis mechanism showing electron flow.

The reaction shown below is an example of thiol synthesis.The reaction consists of thiourea reacting with an alkyl chloride, followed by hydroxide-ion-promoted hydrolysis. What is the reaction's mechanism?