Q.
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An Intiative by Sri Chaitanya
a
PCl5(g) ⇌PCl3(g) + Cl2(g) - Q kJ
b
N2g+3H2g⇌2NH3(g)+Q kJ
c
2NH3(g)+Q kJ ⇌N2(g)+3H2(g)
d
2SO3(g)+Q kJ⇌2SO2(g)+O2(g)
answer is B.
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