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The azide ion, N3-, is linear with two N—N bonds of equal length, 1.16
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Study Guide for Chemistry: The Central Science
- Complete the following resonance structures for POCl3. a. Would you predict the same molecular structure from each resonance structure? b. What is the hybridization of P in each structure? c. What orbitals can the P atom use to form the π bond in structure B? d. Which resonance structure would be favoured on the basis of formal charges?arrow_forwardConsider the following ion: BrO3−. What is the electronic geometry of BrO3−? What is its molecular shape? e) Does BrO3− have a dipole moment? Briefly justify your answer. f) On average, would you expect IO3− to have longer or shorter bonds than BrO3−? Briefly explain your answer.arrow_forwardMothballs are composed of naphthalene, C10H8, a moleculethat consists of two six-membered rings of carbonfused along an edge, as shown in this incomplete Lewisstructure:(a) Draw all of the resonance structures of naphthalene.How many are there? (b) Do you expect the C¬C bondlengths in the molecule to be similar to those of C¬Csingle bonds, C“C double bonds, or intermediate betweenC¬C single and C“C double bonds? (c) Not allof the C¬C bond lengths in naphthalene are equivalent.Based on your resonance structures, how many C¬Cbonds in the molecule do you expect to be shorter thanthe others?arrow_forward
- Consider the molecule PF4Cl. (a) Draw a Lewis structure forthe molecule, and predict its electron-domain geometry.(b) Which would you expect to take up more space, a P¬Fbond or a P¬Cl bond? Explain. (c) Predict the molecular geometryof PF4Cl. How did your answer for part (b) influenceyour answer here in part (c)? (d) Would you expect the moleculeto distort from its ideal electron-domain geometry? Ifso, how would it distort?arrow_forwardComplete the electron-dot structure of caffeine, showing all lone-pair electrons, and identify the hybridization of the indicated atoms.arrow_forwardShown below is the molecular orbital diagram for N2. Does N2+ have a shorter or longer bond length?arrow_forward
- It is possible to write a simple Lewis structure for the SO42- ion, involving only single bonds, which follows the octet rule. However, Linus Pauling and others have suggested an alternative structure, involving double bonds, in which the sulfur atom is surrounded by six electron pairs. (a) Draw the two Lewis structures. (b) What geometries are predicted for the two structures? (c) What is the hybridization of sulfur in each case? (d) What are the formal charges of the atoms in the two structures?arrow_forwardIn each of the following molecules, a central atom is surrounded by a total of three atoms or unshared electron pairs: SnCl2, BCl3, SO2. In which of these molecules would you expect the bond angle to be less than 120? Explain your reasoning.arrow_forwardWhich has the greater bond lengths: NO2 or NO3? Explain.arrow_forward
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