1
IIT-JEE 2010 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1
The complex showing a spin-only magnetic moment of 2.82 B.M. is :
A
$\mathrm{Ni}(\mathrm{CO})_4$
B
$\left[\mathrm{NiCl}_4\right]^{2-}$
C
$\mathrm{Ni}\left(\mathrm{PPh}_3\right)_4$
D
$\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
2
IIT-JEE 2009 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

The spin only magnetic moment value (in Bohr magneton units) of Cr(CO)$$_6$$ is

A
0
B
2.84
C
4.90
D
5.92
3
IIT-JEE 2008 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Among the following, the coloured compound is :

A
CuCl
B
K$$_3$$[Cu(CN)$$_4$$]
C
CuF$$_2$$
D
[Cu(CH$$_3$$CH)$$_4$$]BF$$_4$$
4
IIT-JEE 2008 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Both [Ni(CO)$$_4$$] and [Ni(CN)$$_4$$]$$^{2-}$$ are diamagnetic. They hybridisations of nickel in these complexes, respectively, are :

A
sp$$^3$$, sp$$^3$$
B
sp$$^3$$, dsp$$^2$$
C
dsp$$^2$$, sp$$^3$$
D
dsp$$^2$$, dsp$$^2$$
JEE Advanced Subjects