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Main Group Elements question

2025 · Q14
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Main Group Elements question

2025 · Q14

IIT JAMChemistryMain Group ElementsMCQ+2 / −0.67
Hydrolysis of P4O10\text{P}_4\text{O}_{10}P4​O10​ produces a compound R, which on heating above 320 °C yields a compound S. The compounds R and S, respectively, are
  1. A
    H3PO4\text{H}_3\text{PO}_4H3​PO4​ and (HPO3)n(\text{HPO}_3)_n(HPO3​)n​
  2. B
    H3PO3\text{H}_3\text{PO}_3H3​PO3​ and (HPO3)n(\text{HPO}_3)_n(HPO3​)n​
  3. C
    H3PO4\text{H}_3\text{PO}_4H3​PO4​ and H4P2O7\text{H}_4\text{P}_2\text{O}_7H4​P2​O7​
  4. D
    H3PO3\text{H}_3\text{PO}_3H3​PO3​ and H4P2O7\text{H}_4\text{P}_2\text{O}_7H4​P2​O7​
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Correct answer: A

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