Given below are two statements : Statement (I) : The radii of isoelectronic species increases in the order.
${\rm{M}}{{\rm{g}}^{2 + }} < {\rm{N}}{{\rm{a}}^ + } < {{\rm{F}}^ - } < {{\rm{O}}^{2 - }}$ Statement (II) : The magnitude of electron gain enthalpy of halogen decreases in the order.
${\rm{Cl}} > {\rm{F}} > {\rm{Br}} > {\rm{I}}$
In the light of the above statements, choose the most appropriate answer from the options given below:
Select the correct option:
A
Both Statement I and Statement II are correct
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
(i) For isoelectronic species –ve charge increases, radii increases.
(ii) Magnitude of E.G.E : Cl > F > Br > I
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