Polarity of Molecules - Page 7
Questions
- Indicate the molecular geometry, electronic geometry and polarity of the following molecules or ions??
- On the basis of strength of intermolecular forces, which of the following elements would be expected to have the highest melting point?
- What does it mean if a molecule is polar?
- Why ionization enthalpy is always positive ?
- How can molecules with polar bonds be nonpolar?
- Halogens in un combined state exist as diatomic molecules ,but they these discrete molecules have vander waal forces, why?
- #CH_3 OH# and HCI both dissolve in water, but the dissolved HCI conducts electricity, while the dissolved #CH_3 OH# doesn't. Why?
- Molecules in order of decreasing dipole-dipole strength?
- Conclusion of affect of intermolecular force on boiling point ?
- 3 Explain the definition of polarity and distinguish the compounds below according to the type of covalent bond they have, polar-covalent bond and/or non-polar covalent bond?
- Which of these are expected to be the most polarizable?
- Why organic compounfs have low melting and bowling point values?
- What are polarizing filters made of and how they work at a molecular level?
- Why is the boiling point of NH3 is greater than that of PH3??
- Why do ionic solids have low vapour pressures?
- How is molecular polarity related to solubility?
- You have three covalent compounds with three very different boiling points. All of the compounds have similar molar mass and relative shape. Explain how these three compounds could have very different boiling points ?
- Why are linear hydrocarbons LESS volatile than their branched isomers?
- Which is the most polar bond: a. #H-F#; b. #H-CH_3#; c. #H-NH_2#; d. #H-OH#?
- Are there any polar halogens?