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Hypo is a salt of the oxyacid...

Hypo is a salt of the oxyacid

A

thiosulphuric acid

B

Thiosulphurous acid

C

dithionous acid

D

dithionic acid

Text Solution

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The correct Answer is:
To answer the question "Hypo is a salt of which oxyacid?", we will follow these steps: ### Step 1: Identify the term "Hypo" Hypo refers to a specific type of salt, particularly in the context of thiosulfate salts. In chemistry, "Hypo" commonly refers to sodium thiosulfate, which is also known as disodium thiosulfate. **Hint:** Remember that "Hypo" typically indicates a sodium salt of thiosulfate in chemical nomenclature. ### Step 2: Determine the chemical formula of Hypo The chemical formula for Hypo (sodium thiosulfate) is Na2S2O3. This indicates that it contains sodium (Na), sulfur (S), and oxygen (O). **Hint:** Look for the elements present in the compound to help identify its associated oxyacid. ### Step 3: Identify the corresponding oxyacid The oxyacid that corresponds to sodium thiosulfate is thiosulfuric acid. The formula for thiosulfuric acid is H2S2O3. This acid contains sulfur and is related to the thiosulfate ion. **Hint:** Oxyacids contain oxygen and are often derived from the anions formed by removing hydrogen ions from the acid. ### Step 4: Confirm the relationship between Hypo and thiosulfuric acid Since Hypo (sodium thiosulfate) is derived from thiosulfuric acid by replacing the hydrogen ions with sodium ions, we can conclude that Hypo is indeed a salt of thiosulfuric acid. **Hint:** Understand that salts are formed when acids react with bases, resulting in the replacement of hydrogen ions. ### Conclusion Thus, the answer to the question is that Hypo is a salt of the oxyacid **thiosulfuric acid**. **Final Answer:** Hypo is a salt of thiosulfuric acid.
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