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
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
3
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+
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
A buffer solution is prepared in which the concentration of NH3 is 0.30 M and the concentration of NH+4 is 0.20 M. If the equilibrium constant, Kb for NH3 equals 1.8 $$ \times $$ 10$$-$$5, what is the pH of this solution? (log 2.7 = 0.43)
A
9.08
B
9.43
C
11.72
D
8.73
EXAM MAP