The following lists shows the relative strength of five acids in decreasing order-hydrochloric acid, formic acid, benzoic acid, acetic acid, carbonic acid. Which of the following is the most likely to be the correct deductions

Options :
  1. acetic acid displaces formic acid from sodium formate
  2. carbonic acid has lower pH than HCOOH of equal concentration
  3. there is no reaction between HCl and calcium acetate
  4. HCl displaces benzoic acid from sodium benzoate
Answer and Explanation :-

Answer: Option 4


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