Exam

JEE Main

Year

2024

Date

5 April

Shift

Morning Shift

Subject

Chemistry

Chapter

Some Basic Concepts of Chemistry

JEE Main 2024 · 5 April · Morning Shift · Chemistry · Some Basic Concepts of Chemistry

(9.3 ~g ) of pure aniline is treated with bromine water at room...

(9.3 $\mathrm{~g}$) of pure aniline is treated with bromine water at room temperature to give a white precipitate of the product ' ($\mathrm{P}$) '. The mass of product ' ($\mathrm{P}$) ' obtaind is (26.4 $\mathrm{~g}$). The percentage yield is _______ (\%).

Step-by-step solution

$93 \mathrm{~g}$ of aniline produces $330 \mathrm{~g}$ of $2,4,6-$ tribromoaniline. Hence $9.3 \mathrm{~g}$ of aniline should produce $33 \mathrm{~g}$ of 2, 4, 6-tribromoaniline. Hence percentage yield $\frac{26.4 \times 100}{33}=80 \%$