1
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
When KMnO4 acts as an oxidising agent and ultimately forms [MnO4]-2, MnO2, Mn2O3, Mn+2 then the number of electrons transferred in each case respectively is :
A
4, 3, 1, 5
B
1, 5, 3, 7
C
1, 3, 4, 5
D
3, 5, 7, 1
2
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
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
Most common oxidation states of Ce (cerium) are :
A
+3, +4
B
+2, +3
C
+2, +4
D
+3, +5
4
AIEEE 2002
MCQ (Single Correct Answer)
+4
-1
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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