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- Draw all resonance structures for methylisocyanate, CH3NCO, a toxic gas used in the manufacturing of pesticides. Which resonance structures are the most important?Write all possible resonance structures for the following species. Assign a formal charge to each atom. In each case, which resonance structure is the most important? (a) NO2 (nitrogen is central) (b) ClCNAspirin is made from salicylic acid, which has this Lewis structure: (a) Which is the longest carbon-carbon bond? (b) Which is the strongest carbon-oxygen bond? (c) Draw resonance structures for this molecule.
- Add formal charges to each resonance form of HCNO. Resonance structure A Incorrect H-CIN= 0: Resonance structure B Incorrect HC=N:Three major contributing resonance structures are possible for the following cation. One is given below. Draw the remaining structures (in any order), including nonbonding electrons and formal charges. Omit curved arrows. н н CH3З Which contributes most to the hybrid? The structure with the positive charge on sulfur. All contribute equally. O The structures with the positive charge on carbon.Draw all resonance structures for the nitryl chloride molecule, NO2Cl.
- Which of the following pairs are NOT resonance structures? + H₂C-0-N=0: and H₂C-O=N-0: :0=c=0: =Ö: and :Ö= H₂C-0-N=0: and H₂C- Each of these pairs represents resonance structures. O None of these pairs represents resonance structures.The curved arrow notation is a powerful method used by organic chemists to show the movement of electrons not only in resonance structures, but also in chemical reactions. Since each curved arrow shows the movement of two electrons, following the curved arrows illustrates what bonds are broken and formed in a reaction. Consider the following reaction. Choose the correct image that shows the curved arrows to show the movement of electrons.Calculate the formal charge on each of the atoms in the Lewis structure given. Be sure to answer all parts. H: N: O (of OH): O: Nitrous acid