Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Following four solutions are prepared by mixing different volumes of NaOH and HCl of different concentrations, pH of which one of the them will be equal to 1?
A
100 mL 
HCl + 100 mL 
NaOH
HCl + 100 mL NaOH
B
75 mL 
HCl + 25 mL 
NaOH
HCl + 25 mL NaOH
C
60 mL 
HCl + 40 mL 
NaOH
HCl + 40 mL NaOH
D
55 mL 
HCl + 45 mL 
NaOH
HCl + 45 mL NaOH
Text Solution
Verified by ExpertsThe correct answer is:
B
[H + ] final = 
Final [H + ] = 
[H + ] f = 0.1 M
[PH] f =1
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