Test Index

d and f block elements

Section: Chemistry

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Question : 2

Total: 24

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

‌ aq. ‌NaOH

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White precipitate (P)+ Filtrate (Q)

P‌

PbO2‌ (excess)

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X (a coloured species in solution)
Q

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

[JEE Adv 2023 P1]

CrO42− and Br2
MnO42− and Cl2
MnO4−and Cl2
MnSO4 and HOCl

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