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Q.

An element ‘E’ has the ionization 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 :

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a

ED > EC > EB > EA

b

EA > EB > EC > ED

c

EB > EA > EC > ED

d

ED > EC > EA > EB

answer is A.

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Detailed Solution

Difference between I.E. & E.G.E increases, ionic character increases.

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