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Can u please provide complete solution with calculation.

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Profile image of Haleema khan
8 Years agoGrade 12th pass
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1 Answer

Profile image of Arun
6 Years ago
The reaction of phenol with bromine in aqueous medium produces 2,4,6-tribromo phenol.
 
To calculate the moles, we use the equation:
 
      .....(1)
 
For phenol:
 
Given mass = 2 g
 
Molar mass = 94.11 g/mol
 
Putting values in above equation, we get:
 
The chemical equation for the reaction follows:
 
 
By Stoichiometry of the reaction:
 
1 mole of phenol reacts with 3 moles of bromine gas.
 
So, 0.0212 moles of phenol will react with = 
 
Now, using equation 1:
 
Molar mass of bromine gas = 159.8 g/mol
 
Number of moles = 0.0636 mol
 
Hence, amount of bromine required is 10.163 grams.
 
 

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