1. A Review of General Chemistry

Which of the following criteria is most important when identifying the most significant resonance structure of a molecule?

Which of the following correctly assigns the formal charges to each atom in the resonance structure of $HCNO$ where the structure is H–C≡N–O${-}^{}$ (hydrogen single bonded to carbon, carbon triple bonded to nitrogen, nitrogen single bonded to oxygen with a negative charge on oxygen)?

Which of the following pairs of compounds are resonance contributors of each other?

Which of the following best describes the resonance structures of nitryl fluoride ($N_2{O}_{2}F$)?

In a benzene molecule $C_6{H}_6$, where are the pi electrons delocalized?

Which of the following statements best describes how to draw an equivalent resonance structure that minimizes charge in an organic molecule?

Which of the following statements correctly describes how to draw a resonance structure that places a $\pi$ bond in a different location within a conjugated system?

Which of the following choices represents a pair of resonance structures?

Which of the following statements about the resonance structures of the formate ion (${\mathrm{HCO}}_{-}$) is correct?

Which of the following is a correct resonance structure for compound A, where compound A is ${\mathrm{CH}}_2=\mathrm{CH}-OH$?

Which of the following statements correctly describes the resonance structures of $S_{2}O$ (disulfur monoxide)?

Which of the following statements best describes the second most significant resonance structure of $\mathrm{benzene}$?

Which of the following does not represent a pair of resonance structures?

Which of the following statements best describes the two resonance structures of the carbocation intermediate formed during the reaction of $C_6{H}_5\mathrm{CH}{2}^{+}$ (the benzyl carbocation)?

Which of the following anions has three possible resonance contributors?