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Which of the following is not a property of sulfur dioxide?

(a) Colorless

(b) Bent molecule

(c) Odorless

(d) Polar molecule

This question was addressed to me by my school principal while I was bunking the class.

My question is from P-Block Elements topic in section P-Block Elements of Chemistry – Class 12

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Right choice is (c) Odorless

To explain I would say: Sulfur dioxide has a very nasty, pungent and sharp smell. It is a choking gas, released when sulfur compounds are burned in excess oxygen. It is a colorless gas and bears a bent shape with polarity due to the electronegativity of the oxygen atom. The structural formula is ^–O – S = O.

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