Arrange the following in order of decreasing number of unpaired electrons? I. [Fe(H2O)6]2+ II. [Fe(CN)6]3− III. [Fe(CN)6]4− IV. [Fe(H2O)6]3+
Arrange the following rational numbers in ascending order.
17-30,-1120,7-15,-310
Arrange the elements corresponding to the following atomic numbers in the decreasing order of valence electrons.
(A) 15
(B) 30
(C) 14
(D) 35
(E) 31