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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 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)
3
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
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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