1
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.
2
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
3
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
Which one of the following has an optical isomer ?
(en = ethylenediamine)
A
[Zn (en) (NH3)2]2+
B
[Co (en)3]3+
C
[Co (H2O)4 en]3+
D
[Zn (en)2]2+
4
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
A solution containing 2.675g of CoCl3. 6NH3 (molar mass = 267.5 g mol–1) is passed through a cation exchanger. The chloride ions obtained in solution were treated with excess of AgNO3 to give 4.78 g of AgCl (molar mass = 143.5 g mol–1). The formula of the complex is : (At. Mass of Ag = 108 u)
A
[Co(NH3)6]Cl3
B
[CoCl2(NH3)4]Cl
C
[CoCl3(NH3)3]
D
[CoCl(NH3)5]Cl2
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