MolSynapse
question bank
All chapters
NEET
JEE
Practice
MolSynapse
/
Question bank
/
Coordination Compounds
/
Colour and magnetic moment of complexes
JEE Main level
Single correct option
Difficulty 2 of 3
cc107
The spin-only magnetic moment of
[
Ni
(
NH
X
3
)
X
6
]
X
2
+
is
A
3.87 BM
B
1.73 BM
C
2.83 BM
D
0 BM
Answer: C
Ni
X
2
+
is
d
8
, and in an octahedral field
t
2
g
6
e
g
2
has 2 unpaired electrons whatever the field strength.
μ
=
2
×
4
=
2.83
BM
.
Practice Coordination Compounds
More on Colour and magnetic moment of complexes
Previous question
Next question
More questions on Colour and magnetic moment of complexes
For the same metal ion in an octahedral field, which ligand gives the largest crystal field splitting Delta_o?
NEET level
A complex absorbs only orange light from white light. Using the usual colour wheel of complementary colours, the colour seen is
JEE Main level
Which aqueous complex ion is expected to be colourless?
NEET level
A nickel(II) complex [NiX2L2] (X = halide, L = phosphine) exists in only one isomeric form and has a spin-only moment of 2.83 BM. The geomet...
JEE Advanced level
Ignoring pairing energy, the crystal field stabilisation energy of the low-spin octahedral ion [Fe(CN)6]^4- is
JEE Main level
The spin-only magnetic moment of [Cr(H2O)6]^3+ is
NEET level