Question:
Which of the following oxy-acids has the maximum number of hydrogens directly attached to phosphorus?
Which of the following oxy-acids has the maximum number of hydrogens directly attached to phosphorus?
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In oxy-acids of phosphorus, the number of hydrogens directly attached to phosphorus is greatest in \( \text{H}_3 \text{PO}_3 \).
Updated On: Jan 12, 2026
- \( \text{H}_3 \text{PO}_3 \)
- \( \text{H}_2 \text{PO}_3 \)
- \( \text{H}_3 \text{PO}_4 \)
- \( \text{H}_2 \text{PO}_4 \)
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The Correct Option is A
Solution and Explanation
Step 1: Understand the structure of the oxy-acids.
Among the given options, \( \text{H}_3 \text{PO}_3 \) (phosphorous acid) has three hydrogens directly attached to phosphorus. This is the maximum among the oxy-acids listed.
Step 2: Conclusion.
Thus, the correct answer is \( \text{H}_3 \text{PO}_3 \).
Final Answer: \[ \boxed{\text{H}_3 \text{PO}_3} \]
Among the given options, \( \text{H}_3 \text{PO}_3 \) (phosphorous acid) has three hydrogens directly attached to phosphorus. This is the maximum among the oxy-acids listed.
Step 2: Conclusion.
Thus, the correct answer is \( \text{H}_3 \text{PO}_3 \).
Final Answer: \[ \boxed{\text{H}_3 \text{PO}_3} \]
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