9. Draw all of the possible hydrogen bonds between the following molecule and water molecules. Indicate...
Identify the strongest attractive force of attractions between molecules of each of the pure compounds: London forces, dipole-dipole, hydrogen bonding, ion-dipole, or ionic attractions Compound Compound Strongest force of attraction Dipole-Dipole Strongest force of attraction lonic attractions Hexane KCI Na2CO3 acetone alanine NH, CH3F Hydrogen bonding HOH CCIA CH2Cl2 Dipole-Dipole -он CHCl3 NHACI Dipole-Dipole Dipole-Dipole PH3 NH3 Hydrogen Bonding
Which type of intermolecular forces are between molecules of methane, CH4? Dipole-Dipole London Forces Hydrogen bonding molecule-ion attraction
What type of intermolecular attraction force exists between molecules with this structures H-N-H hydrogen bonding dipole-dipole o dispersion none of the above
Which type of intermolecular forces of attraction may be observed between AsCl3 molecules? Check all that apply, there can be more than one answers to this question. dipole-dipole forces London dispersion forces Ionic bonds Covalent bonds Hydrogen bonds
3. Circle the hydrogen-bond donors and acceptors present in the following molecule. Draw the possible hydrogen bonding with two molecules of A. HO OH A 4. What is the strongest intermolecular attractive force between compound A and compound B? Use the structures of A and B to show the intermolecular forces between them. CH3 B A
Question 14 Which of the following is or are true? Molecules which have hydrogen bonded to F, 0, or N can undergo hydrogen-bonding London dispersion forces are the result of permanent dipoles in atoms or molecules. Bonding forces are much stronger than intermolecular forces. An intermolecular force is an attractive force that operates between molecules. London dispersion forces occur in all atoms and molecules.
7. If an ionic bond is stronger than a dipole-dipole interaction, how can water dissolve an ionic compound? None of these The ion-dipole interactions of a bunch of water molecules gang up on the strong ionic bond and pull it into the solution. The ions never overcome their interatomic attraction and therefore are not soluble. The ionic bond is weakened by the ion-dipole interactions and ionic repulsion ejects the ions from the crystal. The ion-dipole...
2. Identify the strongest type of intermolecular forces in acetone, ethanol, water and hexane. (Structures listed on page 15.) Experiment 2 Intermolecular Forces There are three general types of intermolecular forces. All substances exhibit London Dispersion Forces (LDF), and they are generally the weakest of the three types. These London forces are due to the attractions between small, temporary dipoles that arise from the constant, random movement of the electrons in a substance. As molar mass increases, the size of...
15. Select all intermolecular forces experienced between molecules in a pure sample of the following compound. Remember these are line diagrams so hydrogen and carbon are not explicitly indicated with H and C and hydrogen atoms are not indicated if on a carbon atom. Also, lone electron pairs are not drawn either. 16. Select the dominant intermolecular force experienced between molecules in a pure sample of the following compounds. Remember these are line diagrams so hydrogen and carbon are not...
Name Hydrogen Bonding with Water- Your Drug Directions: Show the structure of your molecule below. Ilustrate all ways that your molecule could form hydrogen bonds with water, either as a hydrogen donor or as a target (receiver) of hydrogen bonds from water. Do this by drawing bent water molecules as necessary and representing hydrogen bonds between water and the drug using dashed RED lines (-. Be sure that it is exactly clear which atoms on each molecule are involved in...