1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The value of the ‘spin only’ magnetic moment for one of the following configurations is 2.84 BM. The correct one is :
A
d4 (in strong ligand field)
B
d4 (in weak ligand field)
C
d3 (in weak as well as in strong fields)
D
d5 (in strong ligand field)
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?
(At. No. Cr = 24, Mn = 25, Fe = 26, Co = 27)
A
[Cr(CN)6]-3
B
[Mn(CN)6]-3
C
[Fe(CN)6]-3
D
[Co(CN)6]-3
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which one of the following complexes in an outer orbital complex?
A
[Fe(CN)6]4-
B
[Ni(NH3)6]2+
C
[Co(NH3)6]3+
D
[Mn(CN)6]4-
4
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
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