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TS EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The molecular formula of metaphosphoric acid is

  1. A \(\mathrm{H}_3 \mathrm{PO}_4\)
  2. B \(\mathrm{HPO}_3\)
  3. C \(\mathrm{H}_2 \mathrm{PO}_3\)
  4. D \(\mathrm{H}_3 \mathrm{PO}_2\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(\mathrm{HPO}_3\)

Step-by-step Solution

Detailed explanation

The molecular formula of metaphosphoric acid is \(\mathrm{HPO}_3\). It's structure can be given as : It has general formula \(\left(\mathrm{HPO}_3\right)_n\). where, \(n\) denotes number of phosphoric acid units present in the ring, with \(n=3\) or more. In metaphosphoric acid…