3-8 Use formal charges and electronegativity to assess feasibility of a structure or extent of contribution to a resonance hybrid

3-8-1. Based on formal charges, which of the Lewis structures shown below is the most likely structure of CH4O?
A. Structure I, B. Structure II, C. Structure III





3-8-2. Based on formal charges, which of the Lewis structures shown below is the most likely structure of HNO2?
A. Structure I, B. Structure II, C. Structure III