Same chapter3 marksDifficulty: Medium
Why is diborane described as an electron-deficient molecule?
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3 marksDifficulty: Medium
Why is carbon monoxide a poison?
Original Khojo Papers practice question — not from a past board paper.
Answer
Carbon monoxide binds to the iron of haemoglobin far more strongly than oxygen does, forming carboxyhaemoglobin, and the binding is not readily reversed. The blood can therefore no longer carry oxygen to the tissues, and the victim suffocates even in air that contains plenty of oxygen.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
It is colourless and odourless, which is what makes it so dangerous.
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