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Which has the highest pH?

(a) CH3COOK 

(b) Na2CO3

(c) NH4Cl 

(d) NaNO3

1 Answer

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Best answer

Correct option  (b) Na2CO3

Explanation:

NH4CI solution is acidic, its pH < 7. NaNOsolution is neutral, its pH=7. CH3COOK and NarCOsolutions are basic their pH > 7. But NarCO3 solution is more basic, its pH > pH of CH3COOK solution.

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