The general electronic configuration of the transition elements is
(n-1)d10, (n+1)s2
(n- 1)d1-10, (n + 1)s1-2
(n- 1)d1-10, np6,ns2
(n- 1)d1-10, ns1-2
Most common oxidation states shown by cerium are
+2, +4
+3, +4
+3, +5
+2, +3
B.
+3, +4
The electronic configuration of Ce is as
Ce : [Xe] 4f2 5d0 6s2
The most common oxidation states shown by cerium are +3 and +4.
Select the coloured compound amongst the following .
(At. no. Ti= 22, Cr= 24, Cu= 29, Zn= 30)
TiCl4
CrCl3
ZnCl3
CuCl