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What is the electrical conductivity of ionic compounds?
Ionic compounds typically have low electrical conductivity in the solid state because the ions are tightly held in a fixed lattice structure. However, when ionic compounds are melted or dissolved in water, the ions are free to move and conduct electricity.
Why do covalent solutions have poor electrical conductivity?
Covalent solutions have poor electrical conductivity because covalent compounds do not dissociate into ions when dissolved in solution. Since ions are needed to conduct electricity, the lack of free ions in covalent solutions results in poor electrical conductivity.
Why does the electrical conductivity of ionic compounds change when they are melted or dissolved in water?
The electrical conductivity of ionic compounds increases when they are melted or dissolved in water because the ions are free to move and carry electric charge. In the solid state, the ions are fixed in place and cannot conduct electricity. When melted or dissolved, the ions are able to move freely and carry electric current.
Are orderly crystal shapes high melting points and electrical conductivity when dissolved in water properties of ionic compounds?
Yes, orderly crystal shapes and high melting points are properties of ionic compounds due to the strong electrostatic forces between the positively and negatively charged ions. However, ionic compounds do not conduct electricity when dissolved in water because the ions are already separated.
Electrical conductivity when dissolved in water?
The electrical conductivity of different materials is affected differently when dissolved in water. For example, anhydrous Sodium Chloride changes from a non-conductor to a one when dissolved.
What is the electrical conductivity of ionic compounds?
Ionic compounds typically have low electrical conductivity in the solid state because the ions are tightly held in a fixed lattice structure. However, when ionic compounds are melted or dissolved in water, the ions are free to move and conduct electricity.
Why do covalent solutions have poor electrical conductivity?
Covalent solutions have poor electrical conductivity because covalent compounds do not dissociate into ions when dissolved in solution. Since ions are needed to conduct electricity, the lack of free ions in covalent solutions results in poor electrical conductivity.
Why does the electrical conductivity of ionic compounds change when they are melted or dissolved in water?
The electrical conductivity of ionic compounds increases when they are melted or dissolved in water because the ions are free to move and carry electric charge. In the solid state, the ions are fixed in place and cannot conduct electricity. When melted or dissolved, the ions are able to move freely and carry electric current.
Are orderly crystal shapes high melting points and electrical conductivity when dissolved in water properties of ionic compounds?
Yes, orderly crystal shapes and high melting points are properties of ionic compounds due to the strong electrostatic forces between the positively and negatively charged ions. However, ionic compounds do not conduct electricity when dissolved in water because the ions are already separated.
How does electric conductivity of ionic compounds change when they are melted or dissolved in water?
Melting or dissolving ionic compounds increases the electrical conductivity. This is because there are free mobile charged ions that can move in the electric field and conduct current.
Electrical conductivity when dissolved in water?
The electrical conductivity of different materials is affected differently when dissolved in water. For example, anhydrous Sodium Chloride changes from a non-conductor to a one when dissolved.
Do ionic compounds have poor electrical conductivity in the solid state?
Yes, ionic compounds have poor electrical conductivity in the solid state because the ions are fixed in position and cannot move to carry electric charge. However, they can conduct electricity when melted or dissolved in water, allowing the ions to move freely.
Which of these has the greates effect on the electrical conductivity of solutions?
Influence on the electrical conductivity of solutions:- types of substances dissolved- concentration of solutes- temperature
How does the elctrical conductivity of ionic compounds change when theey are melted or dissolved in water Why is this so?
Electrical conductivity rises dramatically, and this is due to mobile ions that move in solution or the molten salt under the influence of an electrical field. These mobile ions carry the current.
What is principle involved in tds meter?
Any fluid contains some solid in it which is dissolved in the fluid. the flow of current in the fluid is due to that dissolved solids. here the relation between electrical conductivity and total dissolved solids (TDS). so Tds meter works on the principle of electrical conductivity by measuring the electrical conductivity and relating it to the dissolved solids the TDS of any fluid can be determined.
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.
When dissolved in water what compounds are better conductors of electricity?
Ionic compounds, such as salts, are better conductors of electricity when dissolved in water. This is because they dissociate into ions in solution, allowing for the flow of electric current. Covalent compounds, on the other hand, do not dissociate into ions and are not good conductors of electricity when dissolved in water.
