1
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following carbonyls will have the strongest C $$-$$ O bond?
A
Mn(CO)6+
B
Cr(CO)6
C
V(CO)6$$-$$
D
Fe(CO)5
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following complex compounds will exhibit highest paramagnetic behaviour?
A
[Ti(NH3)6]3+
B
[Cr(NH3)6]3+
C
[Co(NH3)6]3+
D
[Zn(NH3)6]2+
3
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The complexes [Co(NH3)6] [Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism?
A
Linkage isomerism
B
Ionization isomerism
C
Coordination isomerism
D
Geometrical isomerism
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+