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The pair in which phosphorous atoms have a formal oxidation state of + 3 is :
- a)Orthophosphorous and pyrophosphorous acids
- b)Pyrophosphorous and hypophosphoric acids
- c)Orthophosphorous and hypophosphoric acids
- d)Pyrophosphorous and pyrophosphoric acids
Correct answer is option 'A'. Can you explain this answer?
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The pair in which phosphorous atoms have a formal oxidation state of +...
Pair with Formal Oxidation State of 3 for Phosphorous Atoms:
Phosphorous can have different oxidation states in different compounds. The oxidation state of an atom is the charge that it would have if all the electrons were assigned to the more electronegative atom in a bond. For phosphorous, the possible oxidation states are -3, 0, +3, and +5. Among these oxidation states, the pair in which phosphorous atoms have a formal oxidation state of 3 is given by option 'A', which includes orthophosphorous and pyrophosphorous acids. Let's discuss these compounds in detail:
Orthophosphorous Acid:
- The chemical formula of orthophosphorous acid is H3PO3.
- It contains one phosphorous atom and three oxygen atoms.
- The oxidation state of phosphorous in orthophosphorous acid is +3.
- The acid is dibasic, which means it can donate two protons (H+) per molecule.
- Orthophosphorous acid is a weak acid that can be prepared by reacting phosphorous with hot dilute nitric acid.
Pyrophosphorous Acid:
- The chemical formula of pyrophosphorous acid is H4P2O5.
- It contains two phosphorous atoms and five oxygen atoms.
- The oxidation state of each phosphorous atom in pyrophosphorous acid is +3.
- The acid is dibasic and can donate two protons per molecule.
- Pyrophosphorous acid is a white crystalline solid that can be prepared by heating orthophosphorous acid.
Conclusion:
In conclusion, the pair of compounds in which phosphorous atoms have a formal oxidation state of 3 is given by orthophosphorous and pyrophosphorous acids. In these compounds, each phosphorous atom has an oxidation state of +3, which is lower than its maximum oxidation state of +5.
Phosphorous can have different oxidation states in different compounds. The oxidation state of an atom is the charge that it would have if all the electrons were assigned to the more electronegative atom in a bond. For phosphorous, the possible oxidation states are -3, 0, +3, and +5. Among these oxidation states, the pair in which phosphorous atoms have a formal oxidation state of 3 is given by option 'A', which includes orthophosphorous and pyrophosphorous acids. Let's discuss these compounds in detail:
Orthophosphorous Acid:
- The chemical formula of orthophosphorous acid is H3PO3.
- It contains one phosphorous atom and three oxygen atoms.
- The oxidation state of phosphorous in orthophosphorous acid is +3.
- The acid is dibasic, which means it can donate two protons (H+) per molecule.
- Orthophosphorous acid is a weak acid that can be prepared by reacting phosphorous with hot dilute nitric acid.
Pyrophosphorous Acid:
- The chemical formula of pyrophosphorous acid is H4P2O5.
- It contains two phosphorous atoms and five oxygen atoms.
- The oxidation state of each phosphorous atom in pyrophosphorous acid is +3.
- The acid is dibasic and can donate two protons per molecule.
- Pyrophosphorous acid is a white crystalline solid that can be prepared by heating orthophosphorous acid.
Conclusion:
In conclusion, the pair of compounds in which phosphorous atoms have a formal oxidation state of 3 is given by orthophosphorous and pyrophosphorous acids. In these compounds, each phosphorous atom has an oxidation state of +3, which is lower than its maximum oxidation state of +5.
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The pair in which phosphorous atoms have a formal oxidation state of +...
Option a
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The pair in which phosphorous atoms have a formal oxidation state of + 3 is :a)Orthophosphorous and pyrophosphorous acidsb)Pyrophosphorous and hypophosphoric acidsc)Orthophosphorous and hypophosphoric acidsd)Pyrophosphorous and pyrophosphoric acidsCorrect answer is option 'A'. Can you explain this answer?
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