Which one of the following salts give an acidic solution in water?

• A

  $\mathrm{CH}_3 \mathrm{COONa}$
• Correct answer
  B

  $\mathrm{NH}_4 \mathrm{Cl}$
• C

  $\mathrm{NaCl}$
• D

  $\mathrm{CH}_3 \mathrm{COONH}_4$

Solution

$\mathrm{NH}_4 \mathrm{Cl}$ salt gives an acidic solution in water

Hence, the correct answer is option: 'B'.