In the scheme given below, \bo {X} and \bo {Y}, respectively, are Metal halide \stackrel{\text{ aq. }{ ─\xrightarrow {\NaOH}} White precipitate (\bo {P})+ Filtrate (\bo {Q}) {\P} \stackrel{{\aq.\H_2\SO_4}{ { ─\xrightarrow[\PbO_2 \text{ (excess) ]{}}}}_{\heat } X (a coloured species in solution) \Q\stackrel{{\MnO(\OH)_2}{ ─\xrightarrow[\Conc.\H_2\S\O_4]{}}_{\warm}Y (gives blue-coloration with KI-starch paper) [JEE Adv 2023 P1]

Correct Answer is : MnO4−and Cl2

JEE Advanced 2023 Paper 1 Solutions

Section: Chemistry

Question : 21 of 51

Marks: +1, -0

In the scheme given below, X and Y, respectively, are
Metal halide

‌ aq. ‌NaOH

────────▶

White precipitate (P)+ Filtrate (Q)

P‌

aq.H2SO4

PbO2‌ (excess)

────────▶

heat

X (a coloured species in solution)
Q

MnO(OH)2

Conc.H2SO4

────────▶

warm

Y (gives blue-coloration with KI-starch paper)

[JEE Adv 2023 P1]

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