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Consider the following reactions: C(s)...

Consider the following reactions:
`C(s)+O_(2)(g)toCO_(2)(g)+x " kJ"`
`CO(g)+(1)/(2)O_(2)(g)toCO_(2)(g)+y" kJ"`
The heat formation of CO(g) is :

A

`-(x+y)"kJ/mol"`

B

`(x-y)"kJ/mol"`

C

`(y-x)"kJ/mol"`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`{:(C(s)+O_(2)(g)rarrCO_(2)(g)+"xkJ ...(1)"),(CO(g)+(1)/(2)O_(2)(g)rarrCO_(2)(g)+"ykJ ...(2)"),(-" "-" "-" "-),(bar((1)-(2)C(s)+(1)/(2)O_(2)(g)rarrCO(g)+(x-y)"kJ")),(DeltaH=y-x" kJ/mol"):}`
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