Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Practical Chemistry

Olympiad workbook · NSEC · Practical Chemistry

Addition of dil. HCl to an aqueous solution of a mixture of two...

Addition of dil. HCl to an aqueous solution of a mixture of two inorganic salts yielded white precipitate

\mathbf{E}

and filtrate

\mathbf{F}

. Precipitate

\mathbf{E}

dissolved in hot water.

\mathbf{F}

in alkaline alizarin gives a positive red lake test. The cations present in the precipitate

\mathbf{E}

and solution

\mathbf{F}

respectively are

Options

A $\mathrm{Ag}^{+} ; \mathrm{Fe}^{3+}$
B $\mathrm{Hg}^{2+} ; \mathrm{Ba}^{2+}$
C $\mathrm{Pb}^{2+} ; \mathrm{Al}^{3+}$
D $\mathrm{Pb}^{2+} ; \mathrm{Zn}^{2+}$

Correct answer

C. $\mathrm{Pb}^{2+} ; \mathrm{Al}^{3+}$

Step-by-step solution

No Solution

Practice Practical Chemistry on Quantrex Academy →

More from Practical Chemistry

A colorless water-soluble compound on strong heating liberates a brown colored gas and… Olympiad workbook Addition of dil. HCl to an aqueous solution of a mixture of two inorganic salts yielded… Olympiad workbook Passing H_2~S gas into a mixture of Mn^ 2+ , Ni^ 2+ , Cu^ 2+ and Hg^ 2+ in an acidified… Olympiad workbook In qualitative inorganic analysis of a water-soluble salt mixture (salt AB+ salt XY )… Olympiad workbook A colorless water-soluble compound on strong heating liberates a brown colored gas and… Olympiad workbook Passing H_2~S gas into a mixture of Mn^ 2+ , Ni^ 2+ , Cu^ 2+ and Hg^ 2+ in an acidified… Olympiad workbook In qualitative inorganic analysis of a water-soluble salt mixture (salt AB+ salt XY )… Olympiad workbook Full Practical Chemistry list All Olympiad workbook PYQs