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 of Ce (cerium) are
+3, +4
+2, +3
+2, +4
+3, +5
A.
+3, +4
Cerium Ce58 = [Xe] 4f1, 5d1, 6s2
Its most stable oxidation state is +3 but +4 is also existing.
Select the coloured compound amongst the following .
(At. no. Ti= 22, Cr= 24, Cu= 29, Zn= 30)
TiCl4
CrCl3
ZnCl3
CuCl