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When molecular compounds dissolve in water, they generally break apart into individual molecules rather than ions. This process involves the interaction between water molecules and the solute, leading to the formation of a homogeneous solution. Some molecular compounds may also undergo hydrogen bonding with water, which can affect their solubility. However, not all molecular compounds are soluble in water; their solubility depends on their polarity and molecular structure.
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Why dont molecular compounds conduct electricity when dissolves in water?
Molecular compounds are charge neutral. Molecular compounds dissolve in water as individual molecules. For example if 1.0g of C12H22011 (sucrose or table sugar) dissolves in water the solid will become many individual C12H22011 molecules floating in water but will remain charge neutral. Therefore, this solution does not conduct electricity. This is known as a nonelectrolyte solution. On the other hand, when ionic compounds, like NaCl (table salt), are dissolved in solution they break up into individual ions. In this case Na+ and Cl-. These ions with their respective charges make the solution electrically conductive. This is called an electrolyte solution.
What type of compound conducts electricity when dissolved in water?
Ionic compounds conduct electricity when dissolved. Sodium chloride is an example
Can spirit dissolved with water?
No, spirits cannot be dissolved in water. Spirits are compounds that are typically insoluble in water and will not mix or dissolve into it.
Which is true of molecular compounds that dissolve in water?
Molecular compounds that dissolve in water are typically polar or can form hydrogen bonds with water molecules. When these compounds dissolve, they often separate into individual molecules rather than ions, as seen with ionic compounds. The solubility of a molecular compound in water is influenced by its molecular structure and the presence of functional groups that interact favorably with water. Examples include sugars and alcohols, which readily dissolve due to their polar characteristics.
What type of substance is conductive when dissolved in water?
These are ionic compounds dissociated in water.
Why don't molecular compounds dissolved in water conduct electricity?
There are no ions present
Do ionic compounds and molecular compounds behave similarly when they are dissolved?
Ionic compounds eg NaCl yield ions when dissolved in water, NaCl (in water) -> Na positive ions and negative Cl ions. Ions have electrical charges & conduct electricity. All compounds are "molecular", ie they are made up of more than one atom in combination. Some molecules are not ionic, eg common sugar, and when they are dissolved in water they do not yield ions and do not conduct electricity.
How do ionic and molecular compounds differ in physical properties?
Ionic compounds have higher melting and boiling points than molecular compounds due to the strong electrostatic forces between ions. Ionic compounds are usually solid at room temperature, while molecular compounds can be solid, liquid, or gas. Ionic compounds conduct electricity when dissolved in water, while molecular compounds do not.
When chloride compounds are dissolved in water what is the water?
The water is called solvent, the compounds to be dissolved are solutes
How do aqueous solutions of ionic and molecular compounds differ?
Aqueous solutions of ionic compounds consist of ions dissolved in water, while solutions of molecular compounds consist of intact molecules dispersed in water. Ionic compounds dissociate into ions in water, leading to electrolytic behavior, while molecular compounds usually do not conduct electricity in solution unless they ionize.
Is sucrose dissolved in water an ionic compound?
No, sucrose dissolved in water is not considered an ionic compound. Sucrose is a molecular compound composed of carbon, hydrogen, and oxygen atoms, and when dissolved in water, it breaks down into its individual molecules. Ionic compounds, on the other hand, are composed of positively and negatively charged ions held together by electrostatic forces.
Why dont molecular compounds conduct electricity when dissolves in water?
Molecular compounds are charge neutral. Molecular compounds dissolve in water as individual molecules. For example if 1.0g of C12H22011 (sucrose or table sugar) dissolves in water the solid will become many individual C12H22011 molecules floating in water but will remain charge neutral. Therefore, this solution does not conduct electricity. This is known as a nonelectrolyte solution. On the other hand, when ionic compounds, like NaCl (table salt), are dissolved in solution they break up into individual ions. In this case Na+ and Cl-. These ions with their respective charges make the solution electrically conductive. This is called an electrolyte solution.
Describe properties that would help you to distinguish an ionic compound from a molecular compound.?
Ionic compounds typically have higher melting and boiling points compared to molecular compounds due to the strong electrostatic forces between oppositely charged ions. Ionic compounds are typically soluble in water and conduct electricity when dissolved or in molten state, whereas molecular compounds are often insoluble in water and do not conduct electricity in any state.
How do agueous solutions of ionic and molecular compounds difer?
Aqueous [note spelling] solutions of ionic compounds conduct electricity, but aqueous solutions of molecular compounds do not, unless the molecular compounds dissociate into ions when dissolved. Sugar, acetone, ethanol, and methanol, for example, do not dissociate, but acetic acid does.
How can one determine whether a compound is ionic or molecular?
One can determine whether a compound is ionic or molecular by looking at the types of elements it contains. Ionic compounds typically consist of a metal and a nonmetal, while molecular compounds are made up of nonmetals only. Additionally, ionic compounds tend to have high melting and boiling points, conduct electricity when dissolved in water, and form crystal structures, whereas molecular compounds have lower melting and boiling points and do not conduct electricity in water.
How are the properties of molecular compounds different from those of ionic cmpounds?
Molecular (covalent) compounds are not dissociated in water.
How can water dissolve some ionic compounds as well as some molecular compounds?
Water can dissolve some ionic compounds as well as some molecular compounds because of its polarity. It is polar enough to dissolve ionic compounds into their ions. Water does not dissolve molecular compounds by breaking covalent bonds, but through intermolecular forces.
