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Which one of the following arrangement is incorrect order?

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a
O < S < F < Cl : Electron gain enthalpy
b
Al < Mg < P < S : Order of IE1
c
O−2
d
Mg+2

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detailed solution

Correct option is B

Al < Mg < S < P….IP1 ;Due to stable configuration IP1 of Mg > Al and P > S ;

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