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H(3)PO(2) is the molecular formula of an...

`H_(3)PO_(2)` is the molecular formula of an acid of phosphorus. Its name and basicity respectively are

A

phosphorous acid and 2

B

hypophosphorous acid and 2

C

hypophosphorous acid and one

D

hypophosphoric acid and two

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The correct Answer is:
To solve the question regarding the molecular formula \( H_3PO_2 \), we will follow these steps: ### Step 1: Identify the Acid Name The given molecular formula is \( H_3PO_2 \). This compound is known as hypophosphorous acid. ### Step 2: Understand the Structure To understand the structure of hypophosphorous acid, we can visualize it. The phosphorus atom (P) is bonded to: - One oxygen atom with a double bond (P=O) - One hydroxyl group (OH) - Two hydrogen atoms (H) This arrangement satisfies the valency of phosphorus, which is 5. ### Step 3: Determine Basicity Basicity refers to the number of ionizable hydrogen ions (H⁺) in the acid. In hypophosphorous acid: - The hydroxyl group (OH) can release one proton (H⁺) when ionized. - The two hydrogen atoms attached to phosphorus do not ionize. Thus, there is only one ionizable hydrogen in hypophosphorous acid. ### Step 4: Conclusion Based on the above analysis, we can conclude: - The name of the acid is hypophosphorous acid. - The basicity of the acid is 1, indicating it is monoprotic (can release one proton). ### Final Answer The name of the acid \( H_3PO_2 \) is hypophosphorous acid, and its basicity is 1. ---
To solve the question regarding the molecular formula \( H_3PO_2 \), we will follow these steps: ### Step 1: Identify the Acid Name The given molecular formula is \( H_3PO_2 \). This compound is known as hypophosphorous acid. ### Step 2: Understand the Structure To understand the structure of hypophosphorous acid, we can visualize it. The phosphorus atom (P) is bonded to: - One oxygen atom with a double bond (P=O) ...
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