The presence of the carbon-carbon double bond in eugenol can be tested using the bromine water test. write a balance equation for the reaction involved in this test?

The balance chemical equation for the reaction that involved in bromine water test to check the presence of carbon-carbon double bond is;
C₁₀H₁₂O₂ + Br₂ +H₂O → C₁₀H₁₃O₃Br + HBr
Some C₁₀H₁₂O₂Br₂ also form as a product.
When we use bromine water test to detect the double bond in alkenes, an alkene will change the color of bromine from brown to colorless. 

A.(nh4)(2co3)is the correct answer 

Answer///an early form of the atomic theory; dalton atomic theory;