1
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
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
In a buffer solution containing equal concentration of B$$-$$ and HB, the Kb for B$$-$$ is 10$$-$$10. The pH of buffer solution is
A
10
B
7
C
6
D
4
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
Which of the following molecules acts as a Lewis acid?
A
(CH3)2O
B
(CH3)3P
C
(CH3)3N
D
(CH3)3B
4
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
The ionization constant of ammonium hydroxide is 1.77 $$ \times $$ 10$$-$$5 at 298 K. Hydrolysis constant of ammonium chloride is
A
6.50 $$ \times $$ 10$$-$$12
B
5.65 $$ \times $$ 10$$-$$13
C
5.65 $$ \times $$ 10$$-$$12
D
5.65 $$ \times $$ 10$$-$$10

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