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Chemistry
Which has the highest pH?
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Q. Which has the highest pH?
AIIMS
AIIMS 2012
Equilibrium
A
$CH_3COOK$
B
$Na_2CO_3$
C
$NH_4Cl$
D
$NaNO_3$
Solution:
NH
4
Cl solution is acidic, its pH < 7. NaNO
3
solution is neutral, its pH = 7. CH
3
COOK and Na
2
CO
3
solutions are basic their pH > 7. But Na
2
CO
3
solution is more basic, its pH > pH of CH
3
COOK solution.