Which of the following aqueous salt solutions is basic () due to salt hydrolysis?
Answer and explanation
Correct answer: B.
- Step 1: Sodium acetate () is the salt of a weak acid (acetic acid) and a strong base ().
- Step 2: The acetate anion hydrolyzes in water: , generating hydroxide ions and raising pH above 7.
Answer
.
Why not the others: '' is the salt of a weak base and strong acid, producing an acidic solution (); '' and '' are neutral salts of strong acids and strong bases ().
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