1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
KMnO4 can be prepared from K2MnO4 as per the reaction,

3MnO42$$-$$ + 2H2O $$\rightleftharpoons$$ 2MnO4$$-$$ + MnO2 + 4OH$$-$$

The reaction can go to completion by removing OH$$-$$ ions by adding
A
CO2
B
SO2
C
HCl
D
KOH
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Which of these is least likely to act as a lewis base ?
A
BF3
B
PF3
C
CO
D
F$$-$$
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
pH of a saturated solution of Ba(OH)2 is 12. The value of solubility product (Ksp) of Ba(OH)2 is
A
3.3 $$ \times $$ 10$$-$$7
B
5.0 $$ \times $$ 10$$-$$7
C
4.0 $$ \times $$ 10$$-$$6
D
5.0$$ \times $$ 10$$-$$6
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Equimolar solutions of the following substances were prepared separately. Which one of these will record the highest pH value ?
A
BaCl2
B
AlCl3
C
LiCl
D
BeCl2
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