If the number of oxygen atom(s) present in hydrated (P) is: ( {P}) \stackrel{ {H}{──────▶}_{2} {SO}_{4}}( {Q})+ {BaSO}_{4} ↓+ {H}_{2} {O} ( {Q})+ {H}_{2} {SO}_{4}+ {KI} {──────▶}{K}_{2} {SO}_{4}+ {H}_{2} {O}+( {R})↙\stackrel{S}{↲ } Starch Blue colured

JEE Advanced 2020 Full Test 6 Paper 2

Question : 20 of 54

Marks: +1, -0

If the number of oxygen atom(s) present in hydrated (P) is:
(P)

H2SO4

──────▶

(Q)+BaSO4↓+H2O
(Q)+H2SO4+KI──────▶K2SO4+H2O+

(R)

↲

Starch Blue colured

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