JEE Main Chemistry question

ChemistryEquilibriumJEE Main

1 mL of 0.1 N HCl is added to 999 mL solution of NaCl. The pH of the resulting solution will be:

Answer: (B)

Solution

mol HCl=10⁻⁴ in 1 L total; [H⁺]=10⁻⁴ M (NaCl does not affect pH); pH=4.

Question ID VK-136282