1
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
The magnetic moment (spin only) of [NiCl4]2− is
A
5.46 BM
B
2.82 BM
C
1.41 BM
D
1.82 BM
2
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which of the following facts about the complex [Cr (NH3)6 ]Cl3 is wrong?
A
The complex is paramagnetic
B
The complex is an outer orbital complex
C
The complex gives white precipitate with silver nitrate solution
D
The complex involves d2sp3 hybridization and is octahedral in shape.
3
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
In context of the lanthanoids, which of the following statements is not correct?
A
All the members exhibit +3 oxidation state
B
Because of similar properties the separation of lanthanoids is not easy.
C
Availability of 4f electrons results in the formation of compounds in +4 state for all the members of the series.
D
There is a gradual decrease in the radii of the members with increasing atomic number in the series.
4
AIEEE 2011
MCQ (Single Correct Answer)
+4
-1
Which of the following statements regarding sulphur is incorrect?
A
The vapour at 200oC consists mostly of S8 rings
B
At 600oC the gas mainly consists of S2 molecules
C
The oxidation state of sulphur is never less than +4 in its compounds
D
S2 molecule is paramagnetic.
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