1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following ions has electronic configuration [Ar]3d6?
(At. nos. Mn = 25, Fe = 26, Co = 27, Ni = 28)
A
Ni3+
B
Mn3+
C
Fe3+
D
Co3+
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The existance of two different coloured complexes with the composition of [Co(NH3)4Cl2]+ is due to
A
linkage isomerism
B
geometrical isomerism
C
coordination isomerism
D
ionization isomerism.
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
If pH of a saturated solution of Ba(OH)2 is 12, the value of its Ksp is
A
4.00 $$ \times $$ 10$$-$$6 M3
B
4.00 $$ \times $$ 10$$-$$7 M3
C
5.00 $$ \times $$ 10$$-$$6 M3
D
5.00$$ \times $$ 10$$-$$7 M3
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The correct order of the decreasing ionic radii among the following isoelectronic species is
A
Ca2+ > K+ > S2$$-$$ > C$$l$$$$-$$
B
C$$l$$$$-$$ > S2$$-$$ > Ca2+ > K+
C
S2$$-$$ > Cl$$-$$ > K+ > Ca2+
D
K+ > Ca2+ > Cl$$-$$ > S2$$-$$