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Covalency of phosphorus in peroxy phos p...

Covalency of phosphorus in peroxy phos phoric acid is

A

6

B

5

C

4

D

3

Text Solution

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The correct Answer is:
To determine the covalency of phosphorus in peroxyphosphoric acid, we need to analyze the structure of the compound and count the number of covalent bonds formed by the phosphorus atom. ### Step-by-Step Solution: 1. **Identify the Structure of Peroxyphosphoric Acid:** - Peroxyphosphoric acid has the formula H₃PO₅. It consists of a phosphorus atom bonded to several oxygen and hydrogen atoms. 2. **Draw the Lewis Structure:** - In the Lewis structure, phosphorus (P) is at the center, surrounded by oxygen (O) atoms and hydroxyl (OH) groups. The structure typically includes one phosphorus atom bonded to four oxygen atoms and one hydroxyl group. 3. **Count the Covalent Bonds:** - In the structure, phosphorus forms: - 1 bond with one hydroxyl group (OH) - 4 bonds with the oxygen atoms (including one double bond with one oxygen) - Therefore, the total number of covalent bonds formed by phosphorus is 5. 4. **Determine the Covalency:** - Covalency is defined as the number of covalent bonds an atom forms. Since phosphorus forms 5 covalent bonds in peroxyphosphoric acid, its covalency is 5. 5. **Conclusion:** - Thus, the covalency of phosphorus in peroxyphosphoric acid is **5**. ### Final Answer: The covalency of phosphorus in peroxyphosphoric acid is **5**.
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Oxoacids of Phosphorus

Phosphorus is kept in