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1
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-
2
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
3
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+
4
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
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