Equilibrium: JEE Main 2022 Chemistry question

JEE Main 2022 · 26 Jul, Evening shift · Q1311

JEE Main 202226 Jul, Evening shiftChemistryMediumEquilibrium123× since 2002

Class XII students were asked to prepare one litre of buffer solution of

\mathrm{pH} \,8.26

by their Chemistry teacher: The amount of ammonium chloride to be dissolved by the student in

0.2\, \mathrm{M}

ammonia solution to make one litre of the buffer is : (Given:

\mathrm{pK}_{\mathrm{b}}\left(\mathrm{NH}_{3}\right)=4.74

Molar mass of

\mathrm{NH}_{3}=17 \mathrm{~g} \mathrm{~mol}^{-1}

Molar mass of

\mathrm{NH}_{4} \mathrm{Cl}=53.5 \mathrm{~g} \mathrm{~mol}^{-1}

)

More on Equilibrium

JEE Main 2022 Equilibrium Question with Solution (26 Jul Evening shift, Q1311) | JEE Arc

JEE Main 2022 · 26 Jul, Evening shift · Q1311

JEE Main 202226 Jul, Evening shiftChemistryMediumEquilibrium123× since 2002

Class XII students were asked to prepare one litre of buffer solution of

\mathrm{pH} \,8.26

by their Chemistry teacher: The amount of ammonium chloride to be dissolved by the student in

0.2\, \mathrm{M}

ammonia solution to make one litre of the buffer is : (Given:

\mathrm{pK}_{\mathrm{b}}\left(\mathrm{NH}_{3}\right)=4.74

Molar mass of

\mathrm{NH}_{3}=17 \mathrm{~g} \mathrm{~mol}^{-1}

Molar mass of

\mathrm{NH}_{4} \mathrm{Cl}=53.5 \mathrm{~g} \mathrm{~mol}^{-1}

)