1
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which of the following shows maximum number of oxidation states?
A
Cr
B
Fe
C
Mn
D
V
2
AIPMT 2000
MCQ (Single Correct Answer)
+4
-1
Which ion is colourless?
A
Cr4+
B
Se3+
C
Ti3+
D
V3+
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