Which of the following species will not have permanent dipole moments? (a) Hydrogen cyanide,
Where the bridging hydrogens are perpendicular to the four terminal hydrogens, which are all coplanar
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Chapter 13 Solutions
Physical Chemistry
- What force exists between H2O and CH3CH2OH? Is it Ion-dipole?arrow_forwardIodine and oxygen form a complex series of ions, among them IO4^- and IO5^3-. Draw the Lewis structures for these ions, and specify their electron-pair geometries and the shapes of the ions. What is the hybridization of the I atom in these ions?arrow_forwardDetermine if the following species have permanent dipole moments. a Dichloromethane, CH2Cl2 b Chlorobenzene, C6H5Cl c Ammonia, NH3 d Carbon dioxide, CO2.arrow_forward
- Determine if the following species have permanent dipole moments. a The carbonate ion, CO32 b The phosphate ion, PO43 c Uranium hexafluoride, UF6 d Bromine, Br2.arrow_forwardIdentify These are very weak interactions caused by the momentary changes in electron density in a moleculearrow_forwardBriefly describe how the hydration energy of pentahydrated copper sulphate (CuSO4.5H2O) can be determined. State 2 conditions necessary for the formation of a dative or coordinate bond.arrow_forward
- Which of the following molecules may be polar? (i) pyridine,(ii) nitroethane, (iii) gas-phase BeH2 (linear), (iv) B2H6.arrow_forwardIdentify the bond order and magnetic effect for N2+1.arrow_forwardthe following figure shows the bond distances for the homonuclear diatomics of the 2 nd period p-block elements, as well as those for some of the ions derived from these species. i) Note that N 2 + has a longer bond distance than N 2, but O 2 + has a shorter bond distance than O 2. Explain this difference. ii) Estimate the bond distance of N 2 - and justify your answer.arrow_forward
- Differentiate between Uni-molecular and Bi-molecular?arrow_forwardCalculate the force of attraction between a cation with a valence of +3 and an anion with a valence of -2, the centers of which are separated by a distance of 2.2 nm.arrow_forwardFor the hypothetical cyclic square hydrogen molecular di-cation (H42+), list all electrostatic pairwise interactions including their signs and contributions to stabilising and de-stabilising the molecular structurearrow_forward
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