\( (X),(Y) \) and \( (Z) \) are : (A) \( \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7}, \mathrm{H...

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\( (X),(Y) \) and \( (Z) \) are :
(A) \( \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7}, \mathrm{HPO}_{3} \) and \( \mathrm{P}_{4} \mathrm{O}_{10} \)
(B) \( \mathrm{HPO}_{3}, \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{7} \) and \( \mathrm{P}_{4} \mathrm{O}_{10} \)
(C) \( \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{6}, \mathrm{H}_{3} \mathrm{PO}_{3} \) and \( \mathrm{P}_{4} \mathrm{O}_{6} \)
(D) \( \mathrm{H}_{4} \mathrm{P}_{2} \mathrm{O}_{6}, \mathrm{HPO}_{3} \) and \( \mathrm{P}_{4} \mathrm{O}_{6} \)
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