1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Most common oxidation states of Ce (cerium) are :
A
+3, +4
B
+2, +3
C
+2, +4
D
+3, +5
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following ions has the maximum magnetic moment?
A
Mn2+
B
Fe2+
C
Ti2+
D
Cr2+
3
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
Change Language
How do we differentiate between Fe3+ and Cr3+ in group III?
A
by taking excess of NH4OH solution
B
by increasing $$NH_4^+$$ ion concentration
C
by decreasing OH- ion concentration
D
both (b) and (c)
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