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1
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The coordination number of central metal atom in a complex is determined by :
A
the number of ligands around a metal ion bonded by sigma bonds
B
the number of only anionic ligands bonded to the metal ion
C
the number of ligands around a metal ion bonded by sigma and pi- bonds both
D
the number of ligands around a metal ion bonded by pi-bonds
2
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Among the properties (a) reducing (b) oxidising (c) complexing, the set of properties shown by CN– ion towards metal species is :
A
c, a
B
b, c
C
a, b
D
a, b, c
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
The correct order of magnetic moments (spin only values in B.M.) among is :
(Atomic numbers: Mn = 25; Fe = 26, Co =27)
A
[MnCl4]2- > [CoCl4]-2 > [Fe(CN)6]-4
B
[Fe(CN)6]-4 > [CoCl4]2- > [MnCl4]2-
C
[Fe(CN)6]4- > [MnCl4]2- > [CoCl4]2-
D
[MnCl4]2- > [Fe(CN)6]4- > [CoCl4]2-
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which one the following has largest number of isomers? (R = alkyl group, en = ethylenediamine)
A
[Ru(NH3)4Cl2]+
B
[Co(en)2Cl2]+
C
[Ir(PR3)2 H(CO)]2+
D
[Co(NH3)5Cl]2+
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