1
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
In a sautrated solution of the sparingly soluble strong electrolyte AgIO3 (Molecular mass = 283) the equilibrium which sets in is
AgIO3(s) $$\leftrightharpoons$$ Ag+(aq) + $$IO_3^-$$
If the solubility product constant Ksp of AgIO3 at a given temperature is 1.0 $$\times$$10−8, what is the mass of AgIO3 contained in 100 ml of its saturated solution?
A
28.3 × 10−2 g
B
2.83 × 10−3 g
C
1.0 × 10−7 g
D
1.0 × 10−4 g
2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
The pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is :
A
7.0
B
4.5
C
2.5
D
9.5
3
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
The solubility product of a salt having general formula MX2, in water is: 4 $$\times$$ 10-12 . The concentration of M2+ ions in the aqueous solution of the salt is :
A
2.0 $$\times$$ 10-6 M
B
4.0 $$\times$$ 10-10 M
C
1.0 $$\times$$ 10-4 M
D
1.6 $$\times$$ 10-4 M
4
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
What is the conjugate base of OH-?
A
O2
B
H2O
C
O-
D
O-2
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