JEE MAIN - Chemistry (2025 - 29th January Morning Shift - No. 19)
An element ‘E’ has the ionisation enthalpy value of 374 kJ mol⁻¹. ‘E’ reacts with elements A, B, C and D with electron gain enthalpy values of −328, −349, −325 and −295 kJ mol⁻¹, respectively. The correct order of the products EA, EB, EC and ED in terms of ionic character is :
EB > EA > EC > ED
EA > EB > EC > ED
ED > EC > EA > EB
ED > EC > EB > EA
Explanation
Difference between I.E. & E.G.E increases, ionic character increases.
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