Which of the compound is used as antidote in cyanide poisoning
Sodium Nitrite
Sulphur Dioxide
Hypophosphorous Acid
Sodium Sulphate
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Answer:
Hypopphosphorous Acid
Explanation:
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Sodium Nitrite is used as an antidote in cyanide poisoning
Explanation:-
- Sodium nitrate or amyl nitrite can be used in toxic cyanide poisoning conditions. Sodium nitrite is an associate degree chemical compound with the statement NaNO₂. While amyl nitrite is a substance with the formula C₅H₁₁ONO.
- It promotes the formation of methemoglobin (MetHb), which binds CN– ions, forming cyanomethemoglobin. This prevents the repressing action of CN– on complex IV of the electron transport chain.
- Cyanomethemoglobin is then reconverted to methemoglobin by treatment with sodium thiosulphate, forming the less toxic thiosulphate (SCN–). MetHb is converted to oxyhemoglobin with methylene blue.
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