If the electron gain enthalpy of S and Se are `-200` KJ `" mol"^(-1)` and `-195 KJ " mol"^(-1)` respectively. Wha is the electron gain enthalpy of O atom?
A. `-250 KJ " mol"^(-1)`
B. `-198 KJ " mol"^(-1)`
C. `-141 KJ " mol"^(-1)`
D. `-225 KJ " mol"^(-1)`

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1 Answers

Correct Answer - C
Order of electron affinity :
`{:(,S,gt,Se,gt,Te,gt,Po,gt,O),(E.G.E.,-200,,-195,,-190,,-174,,-141):}`

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