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If {:(X(g)^(-) rarr X(g)^(2) +3e^(-),Del...

If `{:(X(g)^(-) rarr X(g)^(2) +3e^(-),DeltaH_(1)= 900 kJ),(X(g) rarr X(g)^(2+),DeltaH_(2)=650kJ):}`
Then find `DeltaH_(eg)` of X.

A

`-250kJ`

B

`-1550kJ`

C

`250kJ`

D

`+1550kJ`

Text Solution

Verified by Experts

The correct Answer is:
A
`X + e^(-) rarr X^(-), DeltaH = DeltaH_(2) - DeltaH_(1)`
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