Easy MCQ +4 / -1 PYQ · JEE Mains 2022

Which oxoacid of phosphorous has the highest number of oxygen atoms present in its chemical formula?

  1. A Pyrophosphorus acid
  2. B Hypophosphoric acid
  3. C Phosphoric acid
  4. D Pyrophosphoric acid Correct answer

Solution

Pyrophosphorus acid $\rightarrow \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{5}$ <br/><br/> Hypophosphoric acid $\rightarrow \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{6}$ <br/><br/> Phosphoric acid $\rightarrow \mathrm{H}_{3} \mathrm{PO}_{4}$ <br/><br/> Pyrophosphoric acid $\rightarrow \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7}$

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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