Chemistry
Which of the following is not a typical property of an ionic compound ?
- High melting point
- Conduction of electricity in molten and aqueous states
- Insolubility in water
- Existence as oppositely charged ions even in the solid state.
Chemical Bonding
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Answer
Insolubility in water
Reason — Ionic compounds are soluble in water. They are insoluble in organic solvents. Water [polar solvent] has a high dielectric constant i.e., capacity to weaken the force of attraction, thus resulting in free ions. Organic solvents [non-polar] have low dielectric constants and do not cause dissolution.
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Related Questions
When a metal atom becomes an ion :
- it loses electrons and is oxidized
- it gains electrons and is reduced
- it gains electrons and is oxidized
- it loses electrons and is reduced
Which of the following compounds has all three bonds — ionic, covalent and coordinate bonds ?
- Ammonia
- Ammonium chloride
- Sodium hydroxide
- Calcium chloride
Metals lose electrons during ionization. This change is called :
- Oxidation
- Reduction
- Redox reaction
- Displacement
Compound 'X' consists of only molecules. 'X' will have —
- A Crystalline hard structure
- A low melting and boiling point
- An ionic bond
- A strong force of attraction between it's molecules.