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CGP EDU Academic Team
Published on: August 14, 2026
It is found that 0.1 (M) solution of three sodium salts NaA, NaB and NaC have pHs 8, 9 and 11 respectively. Therefore the order of acidic strengths of HA, HB and HC are
Text Solution
Verified by ExpertsThe correct answer is:
A
pH = 7 + 
pK a + log c = 6 + 
pK a since c = 0.1(M)
for NaA, 8 = 6 + 
pK a or pK a = 4
for NaB, 9 = 6 + 
pK a or pK a = 6
for NaC, 11 = 6 + 
pK a or pK a = 10
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