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Question
The heat released when requisite amount of ions in the gaseous state combine to give one mole of crystal lattice is known as :
The heat released when requisite amount of ions in the gaseous state combine to give one mole of crystal lattice is known as :
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Solution
The correct option is A Lattice energy
The lattice enthalpy of an ionic compound is the enthalpy change which occurs when one mole of an ionic compound dissociates into its ions in gaseous state.
or
It is the the heat released when requisite amount of ions in the gaseous state combine to give one mole of crystal lattice.
The standard enthalpy change for the formation of one mole of a compound from its elements in their most stable states is called enthaply of formation.
Enthaply of hydration is described as the amount of energy released on dilution of one mole of gaseous ions. It can be considered as enthalpy of solvation but hydration term is used when the solvent is water.
hence option 'a' is correct.
The lattice enthalpy of an ionic compound is the enthalpy change which occurs when one mole of an ionic compound dissociates into its ions in gaseous state.
or
It is the the heat released when requisite amount of ions in the gaseous state combine to give one mole of crystal lattice.
The standard enthalpy change for the formation of one mole of a compound from its elements in their most stable states is called enthaply of formation.
Enthaply of hydration is described as the amount of energy released on dilution of one mole of gaseous ions. It can be considered as enthalpy of solvation but hydration term is used when the solvent is water.
hence option 'a' is correct.
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