2 bromophenol, 4 bromophenol and hydrogen bromide are formed
The substitution reactions of phenol are easier than benzene, phenol directly reacts with bromine and gives tribromo phenol while benzene requires FeCl3 as a catalyst and gives mono bromo phenol.
Bromine replaces the iodide to form a Bromide.BaI2 + Br2 ----> BaBr2 + I2
Bromine reacts with the double / triple bonds giving typically a colourless compound. the bromine water therefore fades as the bromine reacts.
Phenol + 3Br2 = 2,4,6-tribromophenol + 3HBr Everything you need to know :) http://www.chemguide.co.uk/organicprops/phenol/ring.html
it cant decolourise
Yes, at room temperature bromine reacts with phenol and forms 2,4,6-tribromo phenol.
The substitution reactions of phenol are easier than benzene, phenol directly reacts with bromine and gives tribromo phenol while benzene requires FeCl3 as a catalyst and gives mono bromo phenol.
tribromophenol is formed.
2,4,6-trinitrophenol
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Sodium bromide(NaBr) is formed
Bromine replaces the iodide to form a Bromide.BaI2 + Br2 ----> BaBr2 + I2
The chemical equation is:C2H2 + 2 Br2 = C2Br2H4
Bromine reacts with the double / triple bonds giving typically a colourless compound. the bromine water therefore fades as the bromine reacts.
Phenol + 3Br2 = 2,4,6-tribromophenol + 3HBr Everything you need to know :) http://www.chemguide.co.uk/organicprops/phenol/ring.html
it cant decolourise
The hydroxyl group in phenol is an activating ortho/para director, but has some slight steric hindrance too ortho position substitution. Therefore, the predominant product of reaction between phenol and bromine will be 4-bromophenol, if reaction conditions are carefully controlled. With excess bromine, di- and tri-bromo phenols will be formed.