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Match the following columns...

Match the following columns

Text Solution

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The correct Answer is:
`ArarrR; BrarrQ; CrarrQ; DrarrP,S`
`C_(2)H_(2)(g)+H_(2)(g)rarrC_(2)H_(4)(g)`
`-175 =- (Delta_(f)H)_(C_(2)H_(2))+50`
`implies(Delta_(f)H)_(C_(2)H_(2))=225`
`C_(2)H_(2)+(5)/(2)O_(2)rarr2CO_(2)+H_(2)O`
`DeltaH^(@)=2xx(-390)-280-225=-1285`
`|(DeltaH^(@))/(257)|=|-(1285)/(257)|=5`
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