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With reference to ionic compounds, consider the following statement:
1. Ionic compounds are insoluble in alcohol
2. Ionic compounds in the solid state are good conductor of electricity
Q. Which of these statements is/are correct?
- a)Only 1
- b)Only 2
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
With reference to ionic compounds, consider the following statement:1....
Ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. Following the aphorism, \"like dissolves like\", ionic compounds dissolve in polar solvents, especially those that ionize, such as water and ionic liquids. They are usually appreciably soluble in other polar solvents such as alcohols, acetone. Solid ionic compounds cannot conduct electricity because there are no mobile ions or electrons present in the lattice.
Most Upvoted Answer
With reference to ionic compounds, consider the following statement:1....
Ionic Compounds: Solubility and Conductivity
Solubility of Ionic Compounds in Alcohol
Ionic compounds are typically soluble in polar solvents such as water, but they are generally insoluble in non-polar solvents such as alcohol. This occurs because the ionic compounds are held together by strong electrostatic forces between the ions, which require a large amount of energy to break apart. Alcohol, being a non-polar solvent, cannot provide the necessary energy to overcome these forces and dissolve the ionic compound.
Therefore, the statement "Ionic compounds are insoluble in alcohol" is correct.
Conductivity of Ionic Compounds in the Solid State
In the solid state, ionic compounds do not conduct electricity because their ions are not free to move. However, when ionic compounds are melted or dissolved in water, their ions become mobile and can carry an electric current.
Therefore, the statement "Ionic compounds in the solid state are good conductors of electricity" is incorrect.
Conclusion
In summary, the correct statement is "Ionic compounds are insoluble in alcohol." Ionic compounds in the solid state do not conduct electricity because their ions are not free to move. Only when they are melted or dissolved in water do they become good conductors of electricity.
Solubility of Ionic Compounds in Alcohol
Ionic compounds are typically soluble in polar solvents such as water, but they are generally insoluble in non-polar solvents such as alcohol. This occurs because the ionic compounds are held together by strong electrostatic forces between the ions, which require a large amount of energy to break apart. Alcohol, being a non-polar solvent, cannot provide the necessary energy to overcome these forces and dissolve the ionic compound.
Therefore, the statement "Ionic compounds are insoluble in alcohol" is correct.
Conductivity of Ionic Compounds in the Solid State
In the solid state, ionic compounds do not conduct electricity because their ions are not free to move. However, when ionic compounds are melted or dissolved in water, their ions become mobile and can carry an electric current.
Therefore, the statement "Ionic compounds in the solid state are good conductors of electricity" is incorrect.
Conclusion
In summary, the correct statement is "Ionic compounds are insoluble in alcohol." Ionic compounds in the solid state do not conduct electricity because their ions are not free to move. Only when they are melted or dissolved in water do they become good conductors of electricity.
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