AP EAMCET · Chemistry · Ionic Equilibrium
Which of the following will have the highest \(\mathrm{pH}\) ?
- A Saturated solution of \(\mathrm{NaOH}\)
- B \(1 \mathrm{M} \mathrm{HCl}\) solution
- C Human saliva
- D Lemon juice
Answer & Solution
Correct Answer
(A) Saturated solution of \(\mathrm{NaOH}\)
Step-by-step Solution
Detailed explanation
(a) For, saturated solution of \(\mathrm{NaOH}, \mathrm{pH} \sim 15\) (b) \(1 \mathrm{M} \mathrm{HCl} \quad \mathrm{pH} \simeq 0\) (c) Human saliva \(\quad \mathrm{pH}=6.4\) (d) Lemon juice \(\quad \mathrm{pH} \simeq 2.2\) Hence, option (a) is correct.
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