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If S + O2 → SO2 ; ΔH = – 398.2 KJSO2 + 1/2O2 → SO3 ; ΔH = – 98.7 KJSO3 + H2O → H2SO4; ΔH = – 130.2 KJH2 + 1/2O2 → H2O ; ΔH = – 227.3 KJThe enthalpy of formation of sulphuric acid at 298 K will be

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An Intiative by Sri Chaitanya

a

-854.4 K.J

b

-754.4 K.J

c

-650.3 K.J

d

-433.7 K.J

answer is A.

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