A mixture of two salts is used to prepare a solution S, which gives the following…
Chemistry · JEE Advanced · NTA Exams — d- and f-Block Elements
A mixture of two salts is used to prepare a solution S, which gives the following results: (2021)
\[\begin{array}{l} \underset{\substack{\text { (aqsolution) } \\ \text { of thesalt }}}{\mathrm{S}} \xrightarrow{\text { Dilute } \mathrm{HCl}} \text { Room temperature } \\ \underset{\substack{\text { (aqsolution) } \\ \text { of thesalt }}}{\mathrm{S}} \text { White ppt only } \\ \text { 路 } \\ \text { Room temperature } \\ \text { Dilute } \mathrm{NaOH} \\ \text { White ppt only } \end{array}\]
\[\begin{array}{l} \underset{\substack{\text { (aqsolution) } \\ \text { of thesalt }}}{\mathrm{S}} \xrightarrow{\text { Dilute } \mathrm{HCl}} \text { Room temperature } \\ \underset{\substack{\text { (aqsolution) } \\ \text { of thesalt }}}{\mathrm{S}} \text { White ppt only } \\ \text { 路 } \\ \text { Room temperature } \\ \text { Dilute } \mathrm{NaOH} \\ \text { White ppt only } \end{array}\]
- Pb(NO3)2 and Zn(NO3)2
- Pb(NO3)2 and Bi(NO3)3
- AgNO3 and Bi(NO3)3
- Pb(NO3)2 and Hg(NO3)2
Answer
(A) Pb(NO 3 ) 2 and Zn(NO 3 ) 2, (B) Pb(NO 3 ) 2 and Bi(NO 3 ) 3
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