1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following pairs has the same size?
A
Fe2+, Ni2+
B
Zr4+, Ti4+
C
Zr4+, Hf4+
D
Zn2+, Hf4+
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following complex ions is not expected to absorb visible light?
A
[Ni(CN)4]2$$-$$
B
[Cr(NH3)6]3+
C
[Fe(H2O)6]2+
D
[Ni(H2O)6]2+
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
25.3 g of sodium carbonate, Na2CO3 is dissolved in enough water to make 250 mL of solution. If sodium carbonate dissociates completely, molar concentration of sodium ion, Na+ and carbonate ions, CO$${}_3^{2 - }$$ are respectively (Molar mass of Na2CO3 = 106 g mol$$-$$1)
A
0.955 M and 1.910 M
B
1.910 M and 0.955 M
C
1.90 M and 1.910 M
D
0.477 M and 0.477 M