give reason for following
(1) melting and boiling point of ionic compound are high.
(2) sodium metal is stored under Kerosene oil
Answers
Answer:
1. because they have strong force of attraction between them. And larger amount of energy is needed to break the bond .
2. Sodium is highly reactive and catches fire when kept in open air.
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Answer:
1. Ionic compounds are held together by electrostatic forces between the oppositely charged ions . ... As the ionic lattice contains such a large number of ions, a lot of energy is needed to overcome this ionic bonding so ionic compounds have high melting and boiling points.
2.Sodium is a highly reactive metal and reacts vigorously with the oxygen, carbon dioxide and moisture present in the air such that it may even cause a fire. To prevent this explosive reaction, Sodium is kept immersed in kerosene because Sodium doesn't react with kerosene.