1
IIT-JEE 2010 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1

The ionisation isomer of $$\mathrm{[Cr(H_2O)_4Cl(NO_2)]Cl}$$ is

A
$$[Cr{({H_2}O)_4}({O_2}N)]C{l_2}$$
B
$$[Cr{({H_2}O)_4}C{l_2}](N{O_2})$$
C
$$[Cr{({H_2}O)_4}Cl(ONO)]Cl$$
D
$$[Cr{({H_2}O)_4}C{l_2}(N{O_2})]{H_2}O$$
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$$^2$$
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