Amongst the following compounds:I. H_5P_3O_{1 | vedclass

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(C) The general formula for linear (non-cyclic) polyphosphoric acids is $H_{n+2}P_nO_{3n+1}$.For $I$: $H_5P_3O_{10}$ $(n=3)$,$H_{3+2}P_3O_{3(3)+1} = H

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$I, II, IV$

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(C) The general formula for linear (non-cyclic) polyphosphoric acids is $H_{n+2}P_nO_{3n+1}$.For $I$: $H_5P_3O_{10}$ $(n=3)$,$H_{3+2}P_3O_{3(3)+1} = H_5P_3O_{10}$. This is linear.For $II$: $H_6P_4O_{13}$ $(n=4)$,$H_{4+2}P_4O_{3(4)+1} = H_6P_4O_{13}$. This is linear.For $III$: $H_5P_5O_{15}$ $(n=5)$,$H_{5+2}P_5O_{3(5)+1} = H_7P_5O_{16}$. Since $H_5P_5O_{15}$ does not fit the linear formula,it is cyclic (metaphosphoric acid).For $IV$: $H_7P_5O_{16}$ $(n=5)$,$H_{5+2}P_5O_{3(5)+1} = H_7P_5O_{16}$. This is linear.Therefore,$I, II,$ and $IV$ are non-cyclic phosphates.

Amongst the following compounds:
$I.$ $H_5P_3O_{10}$
$II.$ $H_6P_4O_{13}$
$III.$ $H_5P_5O_{15}$
$IV.$ $H_7P_5O_{16}$
Which of these are non-cyclic phosphates?

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Amongst the following compounds:$I.$ $H_5P_3O_{10}$$II.$ $H_6P_4O_{13}$$III.$ $H_5P_5O_{15}$$IV.$ $H_7P_5O_{16}$Which of these are non-cyclic phosphates?