1.

A comparative study of E^(@)(M^(3+)|M^(2+)) values show varying trends. Choose the correct trends (along with possibe reason) among the following.

Answer»

Low value for Sc reflects the stability of `Sc^(3+)` which has a noble GAS configuration.
Zn has the HIGHEST value due to stability of `d^(10)` configuration.
Comparatively high value for Mn and low value for Fe shows EXTRA stability of `Mn^(2+)(d^(5))` and `Fe^(3+)(d^(5))`.
Comparatively low value for V is related to the stability of half filled `t_(2g)` in `V^(2+)`.

Answer :A::B::C::D


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