1
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is
A
one
B
two
C
five
D
one fifth
2
AIPMT 2005
MCQ (Single Correct Answer)
+4
-1
The aqueous solution containing which one of the following ions will be colourless?
(Atomic number : Sc = 21, Fe = 26, Ti = 22, Mn = 25)
A
Sc3+
B
Fe2+
C
Ti3+
D
Mn2+
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Among the following series of transition metal ions, the one where all metal ions have 3d2 electronic configuration is
[At. Nos. Ti = 22, V = 23, Cr = 24, Mn = 25]
A
Ti3+, V2+, Cr3+, Mn4+
B
Ti+, V4+, Cr6+, Mn7+
C
Ti4+, V3+, Cr2+, Mn3+
D
Ti2+, V3+, Cr4+, Mn5+
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
lanthanoids are
A
14 elements in the sixth period (atomic no. 90 to 103) that are filling 4f sublevel
B
14 elements in the seventh period (atomic number = 90 to 103) that are filling 5f sublevel
C
14 elements in the sixth period (atomic number = 58 to 71) that are filling the 4f sublevel
D
14 elements in the seventh period (atomic number = 50 to 71) that are filling 4f sublevel.
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