1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Among [Ni(CO)4], [Ni(CN)4]2$$-$$, [NiCl4]2$$-$$ species, the hybridisation states at the Ni atom are, respectively
[Atomic number of Ni = 28]
A
sp3, dsp2, dsp2
B
sp3, dsp2, sp3
C
sp3, sp3, dsp2
D
dsp2, sp3, sp3
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
CN$$-$$ is a strong field ligand. This is due to the fact that
A
it carries negative charge
B
it is a pseudohalide
C
it can accept electrons from metal species
D
it forms high spin complexes with metal species.
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
In an octahedral structure, the pair of $$d$$ orbitals involved in d2sp3 hybridisation is
A
d x2$$-$$y2, d z2
B
d xz, d x2$$-$$y2
C
d z2, d xz
D
d xy, d yz
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
Which of the following does not have a metal carbon bond?
A
Al(OC2H5)3
B
C2H5MgBr
C
K[Pt (C2H4)Cl3]
D
Ni(CO)4
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