
Coordination compounds -TERMS
Quiz by MINI AUGUSTIN
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- Q1
Ammonia acts as a very good ligand but ammonium ion does not form complexes because
NH3 undergoes sp3 hybridisatiort while NH+4 undergoes sp3 d hybndisation
NH+4 ion has one unpaired electron while NH3 has two unpaired electrons
NH4 + ion does not have any lone pair of electrons
NH3 isa gas while NH4+ is in liquid form.
30s - Q2
The oxidation state of nickel in |(Ni(CO4)| is
4
Zero
1
3
30s - Q3
K2[Fe(CN)6] is a/an
double salt
complex salt
base
acid
30s - Q4
Primary and secondary valency of Pt in [Pt(en)2Cl2] are
6, 4
4, 6
4, 4
2, 6
30s - Q5
Mohr’s salt is
Fe2(SO4) 3 . (NH4)2SO4 . 6H2O
FeSO4 . 7H2O
MgSO4 . 7H2O
FeSO4 . (NH4)2 . SO4 . 6H2O
30s - Q6
The co-ordination number of cobalt in the complex [Co(en)2Br2]Cl2 is
6
1
5
4
30s - Q7
Which of the following ligands form a chelate?
Oxalate
Acetate
bromide
cyanide
30s