Which is the dominant interaction that leads to the formation of a hydration sphere in a salt solution?
ion–dipole
ion–ion
hydrogen bonding
dipole–dipole
dispersion or London forces
Which is the dominant interaction that leads to the formation of a hydration sphere in a...
12 pts) 21. Which ion-dipole interaction below results in the smallest (less negative) hydration energy? water Li water Na water Provide a brief explanation for your answer. [2 pts! 22. Indicate the main type of intermolecular force (ion-dipole, dipole-dipole, hydrogen bonding. dispersion) that must be overcome in order to: 14x2 pts (i) melt solid ice (i) evaporate liquid benzene (CeHe) (ill) evaporate water from salt water (iv) sublime solid iodine 2n o ote b aheaelow. How many hentum atoms are...
c). Label the principle type, i.e. the most important type, of intermolecular interaction illustrated below (indicated by the dashed lines ............> in the illustrations) as one of the four types of intermolecular interactions listed on the previous the page i.e. ion-ion, hydrogen bonding, dipole-dipole (non-hydrogen bonding), London (dispersion) Forces. CH Ci 2. € ci Cici HIH 94. - <---> 6+) HHH CH, CH
The higher the molar mass, the higher which of these intermolecular forces? A. ion-dipole forces B. London dispersion forces C. dipole-dipole forces D. hydrogen bonding
Consider the following four solutions: NaCl in water Acetic acid in water Acetic acid in benzene Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type? Select one: a. Acetic acid in water; hydrogen bonding b. Acetic acid in benzene; dipole-induced dipole interaction c. NaCl in water; ion-dipole interaction d. Naphthalene in benzene; London Dispersion Forces e. NaCl in water; hydrogen bonding
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
Question 6 0.2 pts Which statement about intermolecular forces is true? Only occur in ionic bonds. They have to be overcome to decompose a substance. These forces hold atoms together in a molecule. They are responsible for the physical properties of matter. Question 7 0.2 pts What intermolecular force is responsible for the attraction between an ion and a polar molecule? O Dipole-dipole interaction Hydrogen bonding lon-dipole interaction London dispersion forces Question 8 0.2 pts of liquids will be related...
Which of the forces would be present between a molecule of CH3CH2CHO and a molecule of CH3(CH2)4CH3? You can choose more than one answer. a) dipole - induced dipole b) dipole - dipole c) ion - induced dipole d) hydrogen bonding e) london dispersion forces
Which best describes the intermolecular forces present in NH3? dispersion forces only hydrogen bonding and dispersion forces dipole dipole, hydrogen bonding, and dispersion forces dipole dipole forces only ion dipole and dispersion forces
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
What intermolecular forces of attraction are present among two molecules of N-methylethanamine? a. London Dispersion only b. London Dispersion and Dipole-Dipole c. Dipole-Dipole only d. Hydrogen Bonding only e. London Dispersion and Hydrogen Bonding f. Dipole-Dipole and Hydrogen Bonding g. London Dispersion, Dipole-Dipole and Hydrogen Bonding