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Consider the reactions given below .On t...

Consider the reactions given below .On the basis of these reactions ,Find out which of the algebraic relations given in options (a) to(d) is correct?
`(p)C(g)+4H(g)toCH_(4)(g), Delta_(r)H=xKJ mol^(-1)`
`(Q)C("graphite")+2H_(2)(g)to CH_(4)(g),`
`Delta_(r)H=yKJmol^(-1)`

A

x=y

B

x=2y

C

xgty

D

xlty

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The correct Answer is:
d
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