1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following carbonyls will have the strongest C–O bond ?
A
Cr (CO)6
B
Fe (CO)5
C
Mn (CO)6+
D
V(CO)6-
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following complex compounds will exhibit highest paramagnetic behaviour?
(At. No. Ti = 22, Cr = 24, Co = 27, Zn = 30)
A
[Cr (NH3)6] 3+
B
[Co (NH3)6]3+
C
[Zn (NH3)6]2+
D
[Ti(NH3)6] 3+
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The complex, [Pt(Py)(NH3)BrCl] will have how many geometrical isomers ?
A
3
B
4
C
0
D
2
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The d-electron configurations of Cr2+, Mn2+, Fe2+ and Co2+ are d4, d5, d6 and d7 respectively. Which one of the following will exhibit minimum paramagnetic behaviour?
(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)
A
[Mn(H2O)6]2+
B
[Fe(H2O)6]2+
C
[Co(H2O)6]2+
D
[Cr(H2O)6]2+
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