1.

Select the incorrect statement(s)/order (s):

Answer»

d-orbital can accommodate 10 electrons
`underset(2s^(2)2P^(6)3s^(1))(Na) overset(I.E_(1)) underset(2s^(2)2p^(6))(Na^(+)) overset(I.E_(2)) to underset(2s^(2)2p^(5))(Na^(2+))overset(I.E_(3)) to underset(2s^(2)2p^(4)) (Na^(3+))`, ORDER of successive I.E. is `I.E_(1) LT I.E_(2) lt gtI.E_(3)`
Number of unpiared electrons in `Co^(2+)` cationgt Number of unpaired electrons in `Co^(3+)` cation
First ionisation energy of Pt is greater than that of Pd

Answer :A::B::C


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