Question:
The oxidation state of phosphorus in hypophosphoric acid is + _____
The oxidation state of phosphorus in hypophosphoric acid is + _____
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To determine the oxidation state of phosphorus in compounds, balance the oxidation states of the other atoms in the molecule. In this case, the oxidation state of oxygen is -2 and hydrogen is +1.
Updated On: Mar 21, 2025
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Correct Answer: 4
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Correct answer is 4
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The molecular structure of hypophosphoric acid (\(\text{H}_4\text{P}_2\text{O}_6\)) is given by:
This structure shows two phosphorus atoms bonded to oxygen atoms and hydroxyl groups. The oxidation state of phosphorus (P) in hypophosphoric acid is +4, which is determined by considering the bonding of phosphorus with oxygen and hydrogen atoms in the molecule.
The oxidation state is essential for understanding the reactivity and the acidic nature of the compound.
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Concepts Used:
P-Block Elements
- P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
- P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.
P block elements consist of:
- Group 13 Elements: Boron family
- Group 14 Elements: Carbon family
- Group 15 Elements: Nitrogen family
- Group 16 Elements: Oxygen family
- Group 17 Elements: Fluorine family
- Group 18 Elements: Neon family