1
IIT-JEE 2012 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

$$NiC{l_2}{\{ P{({C_2}{H_5})_2}({C_6}{H_5})\} _2}$$ exhibits temperature-dependent magnetic behaviour (paramagnetic/diamagnetic). The coordination geometries of Ni2+ in the paramagnetic and diamagnetic states are, respectively,

A
tetrahedral and tetrahedral.
B
square planar and square planar.
C
tetrahedral and square planar.
D
square planar and tetrahedral.
2
IIT-JEE 2012 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

As per IUPAC nomenclature, the name of the complex $$[Co{({H_2}O)_4}{(N{H_3})_2}]C{l_3}$$ is

A
Tetraaquadiaminecobalt (III) chloride.
B
Tetraaquadiamminecobalt (III) chloride.
C
Diaminetetraaquacobalt (III) chloride.
D
Diamminetetraaquacobalt (III) chloride.
3
IIT-JEE 2011 Paper 1 Offline
MCQ (Single Correct Answer)
+2
-0.5
Geometrical shapes of the complexes formed by the reaction of Ni2+ with Cl-, CN- and H2O respectively are
A
octahedral, tetrahedral and square planar
B
tetrahedral, square planar and octahedral
C
square planar, tetrahedral, and octahedral
D
octahedral, square planar and octahedral
4
IIT-JEE 2011 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Among the following complexes (K-P),

K3[Fe(CN)6] (K), [Co(NH3)6]Cl3 (L), Na3[Co(oxalate)3] (M), [Ni(H2O)3]Cl2 (N), K2[Pt(CN)4] (O) and [Zn(H2O)6(NO3)2] (P)

The diamagnetic complexes are

A
K, L, M, N
B
K, M, O, P
C
L, M, O, P
D
L, M, N, O
JEE Advanced Subjects