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NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

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Pyro phosphorus acid (H4P2O5)\left( {{H_4}{P_2}{O_5}} \right)
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Correct option: D
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Option D is correct because Pyro phosphorus acid (H4P2O5)\left( {{H_4}{P_2}{O_5}} \right) is a dibasic acid, a reducing acid, and contains a P−O−PP - O - P bond.

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The source of most of the noble gases is: Which possesses least stable covalent P-H bond? Which gas is filled in electric bulbs/tubes? The correct order of the oxidation states of nitrogen in NO, NO2, NO2NO,\,N{O_2},\,N{O_2} and N2O3{N_2}{O_3} is Which of the following is not an acidic oxide? On heating with NaOH\mathrm{NaOH} solution and zinc, NaNO3\mathrm{NaNO}_3 liberates a gas which can also be obtained by:
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