Question
Which one is an acid salt ?
- NaHSO4
- NaCl
- Na2SO4
- Cu(OH)NO3
Answer
NaHSO4
Explanation
NaHSO4 (sodium bisulfate) is an acid salt as it is formed from the partial neutralization of sulfuric acid (H2SO4) with sodium hydroxide (NaOH), resulting in an ion that has acidic properties. NaCl and Na2SO4 are normal salts while Cu(OH)NO3 is a basic salt.