Which of the following oxoacids of phosphorus is used in the preparation of Graham’s salt? |
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(a) |
H3PO3 |
(b) |
H4P2O7 |
(c) |
HPO3 |
(d) |
H2P2O5 |
Which of the following oxoacids of phosphorus is used in the preparation of Graham’s salt? |
|||||||
(a) |
H3PO3 |
(b) |
H4P2O7 |
(c) |
HPO3 |
(d) |
H2P2O5 |