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JEE Advanced Model Paper 18 with solutions for online practice

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For Questions 31 & 32

X

Water‌soluble‌salt

Excess‌K‌I

→

Y ↓ +

Z

Colured(solution)

Na2S2O3

→

Y

white

↓ + Colourless products

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Question : 31 of 60

Marks: +1, -0

Salt ‘X’ is

Fe2(SO4)3
CuSO4.5H2O
KNO2
Hg(NO3)2

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