14. Assertion (A): Ionic compounds have high melting point. [1]
Reason (R): The covalent bonds between the molecules of ionic compounds hold
them closely.
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Answer:
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Explanation:
Ions in ionic compounds are held together by electrostatic forces of attraction between oppositely charged ions. The positively charged ions are cations while negatively charged ions are anions. So ionic compounds have very strong electrostatic bonds between particles. As a result they have high melting and boiling points and a low vapour pressure.
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