Which of the following is strongest acid

Which of the following is strongest acid
  1. $\mathrm{pH}=1$
  2. $\mathrm{pH}=2$
  3. $\mathrm{pH}=3$
  4. $\mathrm{pH}=4$

Solution

$\mathbf{p H}=-\log \left[\mathrm{H}^{+}ight]$
$\Rightarrow 1=-\log \left[\mathrm{H}^{\dagger}ight] \Rightarrow\left[\mathrm{H}^{+}ight]=10^{-1}$ which is higher than $10^{-2}, 10^{-3}$ and $10^{-4}$
$\therefore$ Options , and are wrong.

Asked in: JEE-TOPICTESTS-CHEMISTRY

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