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General Chemistry: Principles and Modern Applications (11th Edition)
- Write all resonance structures of chlorobenzene, C6H5Cl, a molecule with the same cyclic structure as benzene. In all structures, keep the CCl bond as a single bond. Which resonance structures are the most important?arrow_forwardUsing the standard enthalpy of formation data in Appendix G, calculate the bond energy of the carbon-sulfur double bond in CS2.arrow_forwardNitrosyl azide, N4O, is a pale yellow solid first synthesized in 1993. Write the Lewis structure for nitrosyl azide.arrow_forward
- Consider the pyrosulfate ion, S2O72-. It has no sulfur–sulfur nor oxygen–oxygen bonds. (a) Write a Lewis structure for the pyrosulfate ion using only single bonds. (b) What is the formal charge on the sulfur atoms for the Lewis structure you drew in part (a)? (c) Write another Lewis structure using six bonds and two O—S bonds. (d) What is the formal charge on each atom for the structure you drew in part (c)?arrow_forwardDraw the Lewis structure for the N H 4 + ion.arrow_forwardHydrazine, N2H4, burns in oxygen as follows: N2H4 + O2 → N2 + 2H2O [The bond energies in kJ/mol are: N-H = 388; N-N 163; N≡N 944; O-H 463; O=O 496] Draw the chemical structures of the reactants and products and give the formula to calculate enthalpy change in a reaction, ΔH.arrow_forward
- The azide ion, N, is a symmetrical ion, in which all of the possible Lewis structures have formal charge on one or more atoms. Draw three possible Lewis structures for this ion. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all nonbonding electrons. Show the formal charges of all atoms. Q NNNITY ¤•• Q Submit Q NENN N=N-N² N²NN с H O N S P F Br CI X Type the new charge. Press ENTER to finish editing. Press TAB to go through atoms in the structure. Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Morearrow_forwardDraw the Lewis structure of S2(o3)2- and calculate the formal charges. Show all calculations including calculation of formal charge.arrow_forwardWrite all resonance structures for NCO− ion. Use formal charges to predict the most stable one (i.e. the one that has the lowest energy configuration) and the least stable. Briefly explain.arrow_forward
- What possible error(s) exist in the Lewis structure (assume we are trying to represent the best possible Lewis structure for the NO₂S ion knowing N is the central atom in this polyatomic ion)? [:ö==S: N= CO :O: The best structure would have double bond and two lone pairs on each oxygen atom and a single bond with three lone pairs on the sulfur. There are no errors. This is the best possible structure. The Lewis structure above does not minimize formal charges, thus is the not the best possible structure. The nitrogen atom has an expanded octet, and this structure is impossible. The Lewis structure contains the wrong number of electrons, thus this structure is impossible.arrow_forward2arrow_forward1a)Rank the following ionic compounds in order of lattice energy, from the least exothermic (least negative lattice enthalpy) to the most exothermic (most negative lattice enthalpy): KCI, SrO, RbBr, CaO 1b)Rank the following elements in order of decreasing metallic character (from most metallic to least metallic): S, CI, K, Cs, Se 1c) by using the table of bond enthalpies, predict ?rH of the following reaction in kJ/mol H2C=CH2 + Cl2 ---> Cl-CH2-CH2-Clarrow_forward
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