Structural formulas (A) to (F) of species with the formula HNCO (isocyanic acid, its contributors and its isomers) are given below.
How many of the structures (A) to (F) contain a carbon–nitrogen triple bond ?

Question

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

How many of the structures (A) to (F) contain a carbon–nitrogen triple bond ?

resonance structures HNCO

TestHub · Accepted Answer

C ( C ≡ N + H ), E ( N ≡ C − OH ) and F ( HC ≡ N + − O − ) contain a C ≡ N bond. B has C ≡ O + . A and D have C = N . Number = 3.

Chemistry - GOC Question with Solution | TestHub