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An Intiative by Sri Chaitanya
a
CO2( g)+C(s)⇌2CO(g); ΔH°=172.5 kJ
b
CO(g)+2H2( g)⇌CH3OH; ΔH°=-21.7 kJ
c
2O3(g)⇌3O2(g); ΔH°=-285 kJ
d
H2(g)+F2(g)⇌2HF(g); ΔH°=-541 kJ
answer is A.
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