S Block Elements - JEE Advanced PYQ | Last 5 years | PYQ Khazana #jeeadvancedPYQ

Which of the following liberates O2 upon hydrolysis?
(A) Pb3O4
(B) KO2
(C) Na2O2
(D) Li2O2

LIST-I contains compounds and LIST-II contains reaction
LIST-I
(I) H2O2
(II) Mg(OH)2
(III) BaCl2
(IV) CaCO3

LIST-II
(P) Mg(HCO3)2 + Ca(OH)2
(Q) BaO2 + H2SO4
(R) Ca(OH)2 + MgCl2
(S) BaO2 + HCI
(T) Ca(HCO3)2 + Ca(OH)2

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JEE Advanced PYQ
S Block Elements

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