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1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Which of the following compounds shows optical isomerism?
A
[Cu(NH3)4]+2
B
[ZnCl4]-2
C
[Cr(C2O4)3]-3
D
[Co(CN)6]-3
2
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-
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Coordination compound have great importance in biological systems. In this context which of the following statements is incorrect?
A
Chlorophylls are green pigments in plants and contains calcium
B
Carboxypeptidase – A is an enzyme and contains zinc
C
Cyanocobalamin is B12 and contains cobalt
D
Haemoglobin is the red pigment of blood and contains iron
4
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
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