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 $
