1
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+
2
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?
A
$$O_2^ - ,O_2^{2 - }$$ - Both diamagnetic
B
$$O_2^ + ,{O_2}$$ - Both paramagnetic
C
O, $$O_{2}^{2-}$$ - Both paramagnetic
D
$${O^ + },O_2^{2 - }$$ - Both paramagnetic
3
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-
4
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
Which has the maximum number of molecules among the following ?
A
44 g CO2
B
48 g O3
C
8 g H2
D
64 g SO2
EXAM MAP