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If enthalpy of combustion of carbon, hyd...

If enthalpy of combustion of carbon, hydrogen and `C_(3)H_(8)" are "x_(1),x_(2) and x_(3)"per "mol^(-1)` respectively , then the enthalpy of formation of `C_(3)H_(8)` will be

A

`x_(3)-x_(1)-x_(2)`

B

`x_(3)-3x_(1)+4x_(2)`

C

`3x_(1)+4x_(2)-x_(3)`

D

`x_(1)+x_(2)-x_(3)`

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The correct Answer is:
C
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 23-Paper-1(PHYSICS & CHEMISTRY)
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