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Coordination Compounds

110 Questions
All Exams NEET AIIMS
2002 NEET MCQ
AIPMT 2002
CuSO4 when reacts with KCN forms CuCN, which is insoluble in water. It is soluble in excess of KCN, due to formation of the following complex
A.
K2[Cu(CN)4]
B.
K3[Cu(CN)4]
C.
CuCN2
D.
Cu[KCu(CN)4].
2002 NEET MCQ
AIPMT 2002
Atomic number of Cr and Fe are respectively 24 and 26, which of the following is paramagetic with the spin of electron?
A.
[Cr(CO)6]
B.
[Fe(CO)5]
C.
[Fe(CN)6]4$-$
D.
[Cr(NH3)6]3+
2001 NEET MCQ
AIPMT 2001
Coordination number of Ni in [Ni(C2O4)3]4$-$ is
A.
3
B.
6
C.
4
D.
2
2001 NEET MCQ
AIPMT 2001
Which statement is incorrect?
A.
Ni(CO)4 $-$ tetrahedral, paramagnetic
B.
Ni(CN)4 - square planar, diamagnetic
C.
Ni(CO)4 - tetrahedral, diamagnetic
D.
[Ni(Cl)4]2$-$ - tetrahedral, paramagnetic.
2001 NEET MCQ
AIPMT 2001
Which of the following will exhibit maximum ionic conductivity?
A.
K4[Fe(CN)6]
B.
[Co(NH3)6]Cl3
C.
[Cu(NH3)4]Cl2
D.
[Ni(CO)4
2001 NEET MCQ
AIPMT 2001
Which of the following will give maximum number of isomers?
A.
[Co(NH3)4Cl2]
B.
[Ni(en)(NH3)4]2+
C.
[Ni(C2O4)(en)2]2$-$
D.
[Cr(SCN)2(NH3)4]+
2001 NEET MCQ
AIPMT 2001
Which of the following organometallic compounds is $\sigma $ and $\pi $ bonded?
A.
[Fe($\eta $5 $-$ C2H5)2]
B.
K[PtCl3($\eta $2 $-$ C2H4)]
C.
[Co(CO)5NH3]2+
D.
Fe(CH3)3
2000 NEET MCQ
AIPMT 2000
In quantitative analysis of second group in laboratory, H2S gas is passed in acidic medium for precipitation. When Cu2+ react with KCN, then for product, true statement is
A.
K2[Cu(CN)4] more soluble
B.
K2[Cd(CN)4] less stable
C.
K2[Cu(CN)2] less stable
D.
K2[Cd(CN)3] more stable
2000 NEET MCQ
AIPMT 2000
Shape of Fe(CO)5 is
A.
octahedral
B.
square planar
C.
trigonal bipyramidal
D.
square pyramidal.
2000 NEET MCQ
AIPMT 2000
Which complex compound will give four isomers?
A.
[Fe(en)3]Cl3
B.
[Co(en)2Cl2]Cl
C.
[Fe(PPh3)3NH3ClBr]Cl
D.
[Co(PPh3)3Cl]Cl3