All questions
AP Chemistry
2.6 Resonance and Formal Charge
2.5 Lewis Diagrams
AdvancedMCQConceptual25.3k
Three candidate Lewis resonance structures of \(\text{SCN}^-\).
Three candidate Lewis resonance structures of \(\text{SCN}^-\).
The thiocyanate ion, \(\text{SCN}^-\), is a polyatomic anion consisting of sulfur, carbon, and nitrogen arranged with carbon as the central atom. Three valid resonance structures that satisfy the octet rule for all atoms are shown below.

Based on formal charge principles and relative electronegativities, which structure represents the most favorable contributor to the resonance hybrid of \(\text{SCN}^-\), and why?

Log In to Continue

Accounts are free! Log in to try this question, see explanations, save progress, and more!

Tools for a 5