Question:
The iodine oxide which is used in the estimation of carbon monoxide is:
The iodine oxide which is used in the estimation of carbon monoxide is:
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- \( I_2O_5 \) is a strong oxidizer and is used in CO estimation.
- The reaction produces \( CO_2 \) and iodine, which can be detected easily.
- Other iodine oxides like \( I_2O_4 \) and \( I_2O_7 \) do not have a significant role in CO estimation.
Updated On: May 4, 2026
- \( I_2O_4 \)
- \( I_2O_5 \)
- \( I_2O_7 \)
- \( I_2O \)
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The Correct Option is B
Solution and Explanation
The given question asks about the iodine oxide used in the estimation of carbon monoxide. To determine the correct answer, let's review the properties and uses of the various iodine oxides mentioned in the options:
- I_2O_4: This is iodine tetroxide, which is not typically used for the estimation of carbon monoxide.
- I_2O_5: Iodine pentoxide is a well-known oxidizing agent specifically used in the laboratory to estimate carbon monoxide. It reacts with carbon monoxide to produce iodine, carbon dioxide, and oxygen, following the reaction: 5CO + I_2O_5 \rightarrow I_2 + 5CO_2.
- I_2O_7: Iodine heptoxide is less common and not used for carbon monoxide estimation.
- I_2O: This is a hypothetical oxide of iodine that is generally not stable or used in practical applications.
Based on this information, the correct answer is I_2O_5. Iodine pentoxide is used due to its ability to quantitatively react with carbon monoxide, making it suitable for analyzing CO content in gas mixtures.
This is a standard laboratory method for determining carbon monoxide levels. The usage of I_2O_5 in such processes leverages its role as an oxidizing agent that facilitates accurate measurement of carbon monoxide by its conversion to carbon dioxide.
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