Exams › JEE Main › Chemistry

Which of these oxoacids of phosphorus contains the greatest number of oxygen atoms in its molecular formula?

1. Pyrophosphorous acid
2. Hypophosphoric acid
3. Phosphoric acid
4. Pyrophosphoric acid

Correct answer: Pyrophosphoric acid

Solution

Pyrophosphoric acid H4P2O7 has 7 oxygen atoms, more than phosphoric (4), hypophosphoric H4P2O6 (6) and pyrophosphorous H4P2O5 (5).

Related JEE Main Chemistry questions

• Which of the following arrangements shows the decreasing order of acidic nature?
• Which one of the following oxides shows amphoteric behaviour?
• In boric acid (H₃BO₃), the hybridization states of the boron atom and the oxygen atoms are, respectively,
• A xenon fluoride compound contains 53.5% xenon by mass. What oxidation state does xenon have in this compound?
• For a cement of good quality, what should be the approximate ratios of the following? I. Silica to alumina II. CaO to the combined oxides of SiO2, Al2O3 and Fe2O3
• Because the ns² electrons of the valence shell do not readily take part in bonding, which statement is correct?

⚔️ Practice JEE Main Chemistry free + battle 1v1 →