Structural formulas (A) to (F) of species with the formula HNCO (isocyanic acid, its contributors and its isomers) are given below.
Out of the contributors (A) to (D) of isocyanic acid, $H - N = C = O$ , which is the most stable ?

Question

Structural formulas (A) to (F) of species with the formula HNCO (isocyanic acid, its contributors and its isomers) are given below.

Out of the contributors (A) to (D) of isocyanic acid, $H - N = C = O$ , which is the most stable ?

resonance structures HNCO

TestHub · Accepted Answer

A has no charges and every atom has an octet. B and C have charge separation. D has charge separation and a carbon with a sextet, so it is the least stable.

Chemistry - GOC Question with Solution | TestHub

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