Equilibrium Question 325

Question: A base dissolved, in water, yields a solution with a hydroxyl ion concentration of $ 0.05,mol,litr{e^{-1}} $ . The solution is [CBSE PMT 2000]

Options:

A) Basic

B) Acid

C) Neutral

D) Either B or C

Show Answer

Answer:

Correct Answer: A

Solution:

$ [O{H^{-}}]=0.05=5\times {10^{-2}}M $

$ pOH=2-\log 5=1.3 $

$ pH+pOH=14 $

$ pH=14-1.3=12.7 $



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