Interpretation:
The oxygen (
Concept Introduction:
Molecular orbital (MO) theory: is a method for determining molecular structure in which electrons are not assigned to individual bonds between atoms, but are treated as moving under the influence of the nuclei in the whole molecule.
HOMO and LUMO: This statement stand for highest occupied molecular orbital (HOMO) and lowest unoccupied molecular orbital (LUMO), respectively. So this energy difference between the HOMO and LUMO is termed the HOMO–LUMO gap.
Valence shell electron pair repulsion (VSEPR) theory: It is a model used in chemistry to predict the geometry of individual molecules from the number of electron pairs surrounding their central atoms.
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Chapter 9 Solutions
Chemistry & Chemical Reactivity
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- A chemist, during the course of an analysis, runs across a chemical composed of carbon, hydrogen, and oxygen in the proportion 1:2:1 and having a six-sided molecular shape. It is probably (a) a pentose, (b) an amino acid, (c) a fatty acid, (d) a monosaccharide, (e) a nucleic acid.arrow_forwardTestosterone is an anabolic steroid. The structure of testosterone is shown below. What is the idealised bond angle at the indicated atom (ii) ? Hint: atom (iv) has been completed for you as an example. (iv) bond angle: 109.5°, geometry of the electron pairs: tetrahedral, shape of the bonds: tetrahedral ·····|||I H ····||||I ii ivarrow_forward34. Balance these ionic redox equations using the ion- electron method. These reactions occur in acidic solutionarrow_forward
- Give the name and formula for the acid derived from each of the following anions: (a) hydrogen carbonate (b) IO4 - (c) cyanide (d) HS-arrow_forwardUse oxidation states to identify the oxidizing agent and the reducing agent in the following redox reaction. N2 (g) + 3H2 (9) →2NH3 (9) Express your answer as a chemical formula.arrow_forwardEach of the chemically active Period 2 elements forms sta-ble compounds that have bonds to fluorine.(a) What are the names and formulas of these compounds?(b) Does ΔEN increase or decrease left to right across the period?(c) Does percent ionic character increase or decrease left to right?(d) Draw Lewis structures for these compounds.arrow_forward
- Predict which of these compounds are ionic and which are covalent. State your reasoning.(a) SF6(b) KBr(c) N2O3(d) BaS(e) CaCO3(f) C6H5Clarrow_forward2N2O5-------> ?(A) 4NO2{g) + O2 (g)(B) 2NO2 + O6(C) N2O6 + O4arrow_forwardWrite the name of each of the following substances: (W (a) (HCOO)2Ni-½H2O (b) Zn(SCN)2 (c) Ag2CrO4 (d) HIO2(aq)arrow_forward
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