1
NEET 2013 (Karnataka)
MCQ (Single Correct Answer)
+4
-1
Change Language
Accumulation of lactic acid (HC3H5O3), a monobasic acid in tissues leads to pain and a feeling of fatigue. In a 0.10 M aqueous solution, lactic acid is 3.7% dissociates. The value of dissociation constant, Ka, for this acid will be
A
1.4 $$ \times $$ 10$$-$$5
B
1.4 $$ \times $$ 10$$-$$4
C
3.7 $$ \times $$ 10$$-$$4
D
2.8 $$ \times $$ 10$$-$$4
2
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of these is least likely to act as a lewis base ?
A
BF3
B
PF3
C
CO
D
F$$-$$
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
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
NEET Subjects
EXAM MAP