JEE Main Chemistry question

ChemistryEquilibriumJEE Main

0.04 g of pure NaOH is dissolved in 10 litre of distilled water. The pH of the solution is:

Answer: (B)

Solution

mol NaOH=0.001; [OH⁻]=0.001/10=10⁻⁴ M; pOH=4; pH=10.

Question ID VK-136420