Question 6 0.2 pts Which statement about intermolecular forces is true? Only occur in ionic bonds....
5:02 .. LED Exit Question 5 1.25 pts What intermolecular forces are important for the molecule below? [Check all that apply.] Dipole-Dipole Hydrogen Bonding lon-Dipole London Dispersion Forces None of these
Which of the following compounds will only have London dispersion intermolecular attractions? {Hint: look for non-polar molecules). O CO2 O CH3F O CH3OH O OCI2 O Naci QUESTION 4 What is the strongest (most attractive) intermolecular force in CH3F? O hydrogen bonding O London dispersion forces O ion-dipole attraction O jonic bonding O dipole-dipole attraction
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...
Identify the strongest intermolecular force in the compound KHSO4 O lonic forces Dipole-dipole Hydrogen bonding O lon-dipole London dispersion forces Question 23 1.5 pts What intermolecular force or bond is responsible for the density of solid water (ice) being less than that of liquid water? O London dispersion forces Olonic bonding O Covalent bonding O Dipole-dipole forces Hydrogen bonding In which of the following molecules and ions does the central carbon atom or sulfur atom have sp hybridization: Cl,CO, SO32-,...
Question 25 6.67 pts The Lewis structure for a compound is shown below. Which intermolecular forces would you expect it to have? C. HHHH London dispersion, dipole-dipole, and hydrogen bonding forces London dispersion and dipole-dipole forces Dipole-dipole forces only London dispersion forces only
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...
Part A What is the predominant intermolecular force in HF? O O O O O ionic bonding ion-dipole attraction hydrogen bonding London-dispersion forces dipole-dipole attraction Submit Request Answer Part A Which one of the following should have the lowest boiling point? ONF O LIF OC4HCOOH Cl20 Ne Submit Request Answer Part A With what compound will NHg experience only dispersion intermolecular forces? осныOH OLICI CO2 ОСН3СІ H2O Submit Request Answer
INTERMOLECULAR FORCES INTRODUCTION LEARNING OBJECTIVES To relate the effecet of intermolecular forces on relative melting points and vapour pressures of some organic substances THEORY Weak attractive forces that occur between individual molecules in substances are called intermolecular forces. These include London dispersion forces, dipole-dipole forces and hydrogen-bonding forces. Collectively, the three types of intermolecular forces are referred to as Van der Waals forces. These attractive forces are much weaker than the chemical bonds between atoms in a molecule. Note that...
Question 22 1.5 pts Identify the strongest intermolecular force in the compound KHSO4. lonic forces Dipole-dipole O Hydrogen bonding Olon-dipole O London dispersion forces
please please quickkk helpp Question 25 3.5 pts A 0.258-g sample of a pure triprotic acid, H3A, (where A is the generic anion of the acid), was dissolved in water and titrated with 0.150 M barium hydroxide solution. The titration required 13.9 mL of the base to reach the equivalence point. What is the molar mass of the acid ? 227 g/mol 82.5 g/mol 371 g/mol 124 g/mol 186 g/mol 1.5 pts Question 22 Identify the strongest intermolecular force in...