Identify weakest halogen acid from following.

Identify weakest halogen acid from following.
  1. $\mathrm{HCl}$
  2. $\mathrm{HI}$
  3. HF
  4. $\mathrm{HBr}$

Solution

Acidic strength of halogen acids increases in the order : $\mathrm{HF} < \mathrm{HCl} < \mathrm{HBr} < \mathrm{HI}$ Hence, the weakest halogen acid is HF.

Asked in: MHT CET 2023 (11 May Shift 2)

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