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Which of the following will have the highest \(\mathrm{pH}\) ?
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Verified Answer
The correct answer is:
Saturated solution of \(\mathrm{NaOH}\)
(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.
(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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