Q.
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a
ΔrH=( Sum of enthalpies of reactants )−( sum of enthalpies of products)
b
ΔrH=( Sum of enthalpies of products )−( sum of enthalpies of reactants )
c
ΔrH=( Difference of enthalpies of products) − (Difference of enthalpies of reactants)
d
ΔrH=( Difference of enthalpies of reactants )−( Difference of enthalpies of products)
answer is B.
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