Interpretation:
The noble gases have to be arranged in the order of increasing boiling point and the reason should be given.
Concept introduction:
‘Like dissolves like’ principle said that polar compounds including ionic compound should be more soluble in polar solvent. Likewise, non-polar compound should be more soluble in non-polar solvent. Other hand, compounds with similar intermolecular force capability to soluble in one another because solute-solvent interactions are similar signification to the solute-solute interaction.
‘The set of repulsive and attractive force between molecules that result from the polarity between neighboring molecules is represented as intermolecular force. There are four types of intermolecular forces:
- Hydrogen bonding
- London dispersion force
- Ion – dipole force
- Dipole – Dipole force
Hydrogen bond: Hydrogen is bonded to strong electronegative atom like oxygen, nitrogen etc.
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Chapter 7 Solutions
Chemistry: The Molecular Science
- Which of the statements below would correctly explain why chloric acid is a stronger acid than sulfurous acid. Selected:a. Chloric acid contains more oxygen atoms than sulfurous acid.This answer is incorrect. b. Chlorine has a smaller atomic radius than sulfur. c. Chloric acid contains longer bonds than those in sulfurous acid. d. Chlorine has a higher electronegativity than sulfur.arrow_forwardDetermine the number of valence electrons in each of the neutral atoms.arrow_forwardHow do we determine the total number of valence electrons for an ion? Provide an example of an anion and a cation, and explain your answer.arrow_forward
- • use electron configurations to explain why metals tend to form cations whereas nonmetals tend to form anions.arrow_forwardWhich simple ion would each of the following elements be expected to form? Which noble gas has an analogous electron configuration to each of the ions? msp;a.bromine,Z=35b.cesium,Z=55c.phosphorus,Z=15d.sulfur,Z=16arrow_forwardThe molecules NH3andBF3have the same general formula (AB3)but different shapes. Find the shape of each of the above molecules. Provide more examples of real molecules that have the same general formulas but different shapes.arrow_forward
- Hydrogen gas and oxygen gas react violently to form water. When this occurs, a very loud noise is heard. Draw the Lewis structures for hydrogen gas, oxygen gas, and water. State whether each molecule is polar or nonpolar and why. Explain how the polarity of these molecules is related to hydrogen and oxygen existing in the gas phase at room temperature and water existing in the liquid phase at room temperature. Which is lower in energy for this reaction a mixture of hydrogen and oxygen gases or water? How do you know this is true?arrow_forwardIn forming an ionic bond with an atom of chlorine, a sodium atom will: a.receive one electron from the chlorine atom. b.receive two electrons from the chlorine atom. c.give up one electron to the chlorine atom. d.give up two electrons to the chlorine atom.arrow_forwardThe noble metals gold, silver, and platinum are often used in fashioning jewelry because they are relatively .arrow_forward
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