MCQOPTIONS
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MCQOPTIONS
| 1. |
Which one of the following is the structure of hexa Meta phosphate? X represents monovalent alkali metal. |
| A. | X<sub>5</sub>P<sub>3</sub>O<sub>10</sub> |
| B. | (XPO<sub>3</sub>)<sub>6</sub> |
| C. | PO<sub>4</sub><sup>-3</sup> |
| D. | X<sub>4</sub>P<sub>2</sub>O<sub>7</sub> YH<sub>2</sub> O |
| Answer» C. PO<sub>4</sub><sup>-3</sup> | |