What amount of bromine will be required to convert 2 g of phenol into 2,4,6-tribromophenol? (Given molar mass in $\mathrm{g\,mol^{-1}}$ of C, H, O, Br are 12, 1, 16, 80 respectively)

Question

Dr. Abubacker · Accepted Answer

[Solution by Dr. Abubacker] Phenol ($\mathrm{C_6H_5OH}$) has molar mass $94$ g/mol, so $2$ g is $\frac2{94}=0.02128$ mol. Each mole needs $3$ mol of $\mathrm{Br_2}$ (160 g/mol): $0.06383	imes160=10.22$ g. Answer (4).

Q. What amount of bromine will be required to convert 2 g of phenol into 2,4,6-tribromophenol? (Given molar mass in $\mathrm{g\,mol^{-1}}$ of C, H, O, Br are 12, 1, 16, 80 respectively)

Explanation

Reviewed by Dr. Abubacker

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