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QJEEM22Ch279f: JEE Main 2022 Chemistry - Class 11 JEEM22Ch279f Solution: In the estimation of bromine, 0.5 g of an organic compound gave …

In the estimation of bromine, 0.5 g of an organic compound gave 0.40 g of silver bromide. The percentage of bromine in the given compound is _________ % (nearest integer)

(Relative atomic masses of Ag and Br are 108u and 80u, respectively).

Step-by-Step Verified Solution

188 g AgBr188 \mathrm{~g} ~ \mathrm{AgBr} has 80 g80 \mathrm{~g} of Br\mathrm{Br}

∴0.4 gAgBr=80188×0.4\therefore 0.4 \mathrm{~g} \mathrm{AgBr}=\frac{80}{188} \times 0.4

%\% of Br\mathrm{Br} in given organic compound

amp;=80×0.4188×0.5×100amp;≈34%\begin{aligned}&=\frac{80 \times 0.4}{188 \times 0.5} \times 100 \\\\&\approx 34 \%\end{aligned}

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