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Concept explainers
(a)
Interpretation:
The importance of given resonance structure of
Concept Introduction:
Resonance structures refers to different forms of a same molecule which has same
Octet rule is rule of thumb which refers that atoms combine in such a way that their respective valence shell gets filled with eight electrons to attain more stability.
(b)
Interpretation:
The importance of given resonance structure of
Concept Introduction:
Resonance structures refers to different forms of a same molecule which has same chemical bonding between the atoms but different electron distribution among the atoms in the molecule.
Octet rule is rule of thumb which refers that atoms combine in such a way that their respective valence shells gets filled with eight electrons to attain more stability.
(c)
Interpretation:
The importance of given resonance structure of
Concept Introduction:
Resonance structures refers to different forms of a same molecule which has same chemical bonding between the atoms but different electron distribution among the atoms in the molecule.
Octet rule is rule of thumb which refers that atoms combine in such a way that their respective valence shells gets filled with eight electrons to attain more stability.
(c)
Interpretation:
The importance of given resonance structure of
Concept Introduction:
Resonance structures refers to different forms of a same molecule which has same chemical bonding between the atoms but different electron distribution among the atoms in the molecule.
Octet rule is rule of thumb which refers that atoms combine in such a way that their respective valence shells gets filled with eight electrons to attain more stability.
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Chapter 9 Solutions
Chemistry
- 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_forwardThe equation for the combustion of gaseous methanol is 2 CH3OH(g) + 3 O2(g) 2 CO2(g) + 4 H2O(g) (a) Using the bond dissociation enthalpies in Table 8.8, estimate the enthalpy change for this reaction. What is the enthalpy of combustion of one mole of gaseous methanol? (b) Compare your answer in part (a) with the value of tHcalculated using enthalpies of formation data.arrow_forwardThe carbonate anion, CO32- , is a resonance hybrid. Draw all of the important resonance structures for this molecule. If an atom has a nonzero formal charge, be sure the formal charge is shown clearly in the structure. Use the resonance structures to calculate the average formal charge on each O atom (which are all equivalent in the "true" structure). [Note: all of the important contributing resonance structures have octets around each atom that desires an octet.]arrow_forward
- Sulfur tetrafluoride reacts slowly with oxygen gas to form sulfur tetrafluoride monoxide. Write a balanced chemical equation for the reaction. In the sulfur tetrafluoride monoxide molecule the O atom and the four F atoms are bonded to a central S atom. Write a Lewis structure for this molecule in which the formal charges of all atoms is zero. Use bond energies to estimate the enthalpy of the above reaction. (S-F bond energy = 327 kJ/mole). Is it endothermic or exothermic? Determine the electron geometry of the molecule and predict two possible molecular geometries. Which of the two molecular geometries in part d is more likely to be observed? Explain.arrow_forwardWrite the Lewis structure for the NO2- ion. Include resonance structures.arrow_forwardUse the Born-Haber cycle to calculate the lattice energy of KF. [The heat of sublimation of K is 91.6 kJ·mol−1 and ΔfH(KF) = −567.3 kJ·mol−1. Bond enthalpy for F2 is 158.8 kJ·mol−1. Other data may be found in the Ionization Energies Table and the Electron Affinities Table.]arrow_forward
- Carbon tetrachloride was formerly used in fire extinguishers for electrical fires. It is no longer used for this purpose because of the formation of the toxic gas phosgene, Cl2CO. Write the Lewis structures for carbon tetrachloride and phosgene.arrow_forwardA certain element X forms two compounds with hydrogen, XH3 and X2H4 (H2X–XH2). The total bond enthalpies of XH3(g) and X2H4(g) are 846 kJ/mol and 1341 kJ/mol, respectively. What is the average bond enthalpy of the X–X bond?arrow_forwardA 0.167-g sample of an unknown acid requires 27.8 mL of 0.100 M NaOH to titrate to the equivalence point. Elemental analysis of the acid gives the following percentages by mass: 40.00% C, 6.71% H, 53.29% O. Determine the molecular formula, molar mass, and Lewis structure of the unknown acid.arrow_forward
- There are several possible Lewis structures for the molecule N2O as shown below. See attachment For Structure A what are the formal charges on atoms:1 , 2 , and 3 ?For Structure B what are the formal charges on atoms:1 , 2 , and 3 ?For Structure C what are the formal charges on atoms:1 , 2 , and 3 ?Compare the formal charges that you calculated for each structure.What is the letter of the BEST Lewis structure for N2O?arrow_forwardIn the nitrite ion (NO₂), Consider the implications of resonance.arrow_forwardLabels on household cleansers caution against mixing bleach with ammonia because the reaction produces monochloramine (NH2Cl) and hydrazine (N2H4), both of which are toxic. The balanced equations are shown below. Draw the Lewis structure for monochloramine, which is a covalent compound with the formula NH2Cl. Include all nonbonding electrons, such as lone pairs, and any nonzero formal charges. Draw the Lewis structure for hydrazine, which has the formula N2H4. Include all nonbonding electrons, such as lone pairs, and any nonzero formal charges.arrow_forward
- Chemistry: Principles and PracticeChemistryISBN:9780534420123Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward MercerPublisher:Cengage LearningGeneral Chemistry - Standalone book (MindTap Cour...ChemistryISBN:9781305580343Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; DarrellPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning
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