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For the formation of one mole of each of...

For the formation of one mole of each of these gases from their elements , which reaction is most endothermic?

A

`CO(DeltaH_(f)^(@)=-110.5KJ mol^(-1))`

B

`NO(DeltaH_(f)^(@)=+33.9KJ mol^(-1))`

C

`O_(3)(DeltaH_(f)^(@)=+142.2KJ mol^(-1))`

D

`SO_(2)(DeltaH_(f)^(@)=-300.4KJ mol^(-1))`

Text Solution

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The correct Answer is:
c
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