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प्रश्न
Explain the following:
Nitrogen dioxide is a double acid anhydride.
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उत्तर
NO2 is called double acid anhydride because two acids – nitrous acid and nitric acid – are formed when it reacts with water.
\[\ce{2NO2 + H2O → HNO2 + HNO3}\]
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संबंधित प्रश्न
Give an equation to show how the following is made from their corresponding anhydride.
sulphurous acid
Give an equation to show how the following is made from their corresponding anhydride.
phosphoric acid
Distinguish between acidity of bases and basicity of acids.
Write down the concentration of the following solution in g/L and mol/L.
4.9 g H2SO4 in 200ml solution
| Source | Acid present | |
| 1. | Apple | ______ |
| 2. | ______ | Citric acid |
| 3. | ______ | tartaric acid |
| 4. | Tomato | ______ |
| 5. | Vinegar | ______ |
Match the following:
| 1. | Hydrochloric acid | a. | Fertilizer |
| 2. | Citric acid | b. | Baking powder |
| 3. | Nitric acid | c. | Car batteries |
| 4. | Oxalic acid | d. | Cleansing agent in toilets |
| 5. | Sulphuric acid | e. | Removing black stains |
| f. | Effervescent salts |
Choose the odd one out & give a reason:
Explain the following:
\[\ce{H3PO3}\] is not a tribasic acid.
Explain the following:
\[\ce{H3PO3}\] is not a tribasic acid.
Name the acidic anhydride of the following acid:
Nitric acid
