can someone please double check my answers and help me out with the last one. Thanks in advance!

Let's draw some resonance structures for cations. Two things to remember regarding cations 1) Electrons move towards the (+). 2) One arrow at a time, then evaluate formal charges. COH LOH OH OH Let's draw some resonance structres for anions. Two things to remember regarding anions. 1) Move a lone pair off of the negatively charged atom. 2) It usually requires two arrows, then evaluate formal charges. +