1
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which one of the elements with the following outer orbital configurations may exhibit the largest number of oxidation states?
A
3d54s1
B
3d54s2
C
3d24s2
D
3d34s2
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is employed as a tranquilizer?
A
Naproxen
B
Tetracycline
C
Chlorpheninamine
D
Equanil
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which of the following does not show optical isomerism?

(en = ethylenediamine)
A
[Co(NH3)3Cl3]0
B
[Co(en)Cl2(NH3)2]+
C
[Co(en)3]3+
D
[Co(en)2Cl2]+
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Out of TiF62$$-$$, CoF63$$-$$, Cu2Cl2 and NiCl42$$-$$ (Z of Ti = 22, Co = 27, Cu = 29, Ni = 28) the colourless species are
A
Cu2Cl2 and NiCl42$$-$$
B
TiF62$$-$$ and Cu2Cl2
C
CoF63$$-$$ and NiCl42$$-$$
D
TiF62$$-$$ and CoF63$$-$$
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