Draw the Lewis structure for the polyatomic formyl (CHO) anion. Be sure to include all resonance structures that satisfy the octet rule. H-C-O C B [ ]-
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- Write the chemical formula and Lewis structure of the following each of which contains five carbon atoms: (a) an alkane. (b) an alkene. (c) an alkyneDraw a Lewis structure that obeys the octet rule for each of the following ions. Assign formal charges to each atom. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. ClO3-Two major resonance structures are possible for the anion shown. One resonance form is given, but it is incomplete. Complete the given structure by adding nonbonding electrons and formal charges. Draw the remaining structure, including nonbonding electrons and formal charges. Omit curved arrows. Structure A: complete the structure by adding nonbonding electrons and formal charges. H H H I Structure B: draw the remaining resonance structure, including nonbonding electrons and formal charges. H- : z: H H
- Match each molecule with the formal charge of the element in bold.If several resonance structures are possible, consider only one in which all atoms obey the octet rule. NOClO3 (middle O)CO2Consider the compound with the following condensed molecular formula: CH3CHOHCH=CH₂ What is the formal charge on the carbon atoms that only have single bonds? Formal charge: + What is the formal charge on the carbon atoms that have a double bond? Formal charge: + What is the formal charge on the oxygen atom? Formal charge: + What is the formal charge on the hydrogen atoms? Formal charge:Draw three resonance structures for N3-. This species has its three atoms bonded sequentially in the following fashion: N-N-N. Draw your resonance structures so that the atoms in them are bonded together in this order. Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Now select the statement from the multiple choices which is true about this most important resonance structure.In the most important resonance structure of N3- : a) The leftmost bond (between N and N) is a single bond.b) The rightmost bond (between N and N) is a single bond.c) The formal charge on the leftmost (N) atom is -1.d) The number of nonbonding pairs (lone pairs) of electrons on the leftmost (N) atom is 4.e) The number of nonbonding (lone) pairs of electrons on the rightmost (N) atom is 4.
- Draw three resonance structures for N3-. This species has its three atoms bonded sequentially in the following fashion: N-N-N. Draw your resonance structures so that the atoms in them are bonded together in this order. Select the most important resonance structure for this species based on the formal charges on the atoms of the three resonance structures you have drawn. Now select the statement from the multiple choices which is true about this most important resonance structure.In the most important resonance structure of N3- : a) The leftmost bond (between N and N) is a single bond. b) The rightmost bond (between N and N) is a single bond. c) The formal charge on the leftmost (N) atom is -1. d) The number of nonbonding pairs (lone pairs) of electrons on the leftmost (N) atom is 4. e) The number of nonbonding (lone) pairs of electrons on the rightmost (N) atom is 4.Draw two resonance structures for NCNH-. The atoms are connected like N-C-N-I-I. In other words you can think of this as being the starting structure.Draw Lewis structures and resonance structures (if any) that satisfy the octet rule for each of the following ions with all valence electrons and formal charges clearly noted.a) NH2- b) NO2- c) ClO- d) HCOO- (formate) e) BH4- f) CH3CH2CO2H g) O3 h) CH2N2
- Is the following true or false? In general, the more resonance structures that can be constructed for a molecule the more stable a molecule is.Consider the Lewis structure for CO. Which statement best explains which atom is the donor atom when CO binds to hemoglobin and why. O is the donor atom because it is more electronegative. O C is the donor atom because it is more electronegative. O is the donor atom because it has a negative formal charge while C has a positive formal charge. C is the donor atom because it has a negative formal charge while O has a positive formal charge.Draw the resonance structure indicated by the curved arrows. Assign formal charges. H H/:O: H H-C-C-C-Ċ—H H H H Draw the molecule by placing atoms on the canvas and connecting them with bonds. Include all hydrogen atoms and nonbonding electrons. Show the formal charges of all atoms in the correct structure.