Saved Bookmarks
| 1. |
The correct order of `I.E_(2)` among the followingA. `Cu gt Zn`B. `H gt Li`C. `Na gt Mg`D. `B gt C` |
|
Answer» Correct Answer - A::C::D `Cu=[Ar]3d^(10)4s^(1)overset(I.E._(1))rarr[Ar]3d^(10)` `Zn=[Ar]3d^(10)4s^(2)overset(I.E._(1))rarr[Ar]3d^(10)4s^(1)` `therefore CugtZn` `Na=[Ne]3s^(1)overset(I.E._(1))rarr[Ne]` `Mg = [Ne]3s^(2)overset(I.E._(1))rarr[Ne]3s^(1)` `Na gt Mg` `B=1s^(2)2s^(2)2p^(1)overset(I.E._(1))rarr1s^(2)2s^(2)` `C=1s^(2)2s^(2)2p^(2)overset(I.E._(1))rarr1s^(2)2s^(2)2p^(1)` `therefore B gt C` |
|