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agyinbriana
10.07.2019 •
Chemistry
The melting point of ionic compounds is whereas solid molecular compounds melt 300oc
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Ответ:
The melting point of ionic compounds is high whereas solid molecular compounds melt at a temperature less than 300 oC.
Explanation and reason:
Ionic compounds are formed by complte transfer of elctron from one atom to an other atom. So they are held together by electric attractions. These bonds are strong and have 3D crystal lattice strcuture.
So alot of energy is required to break the crystal lattice structure.That's why they have higher melting point.
Now if we discuss, molecular compounds, actually, these are formed by covalent bonds and these molecules are held to together with weak ven der waal forces that can be easily break down by providing less energy.
Conclusion:
Due to different bonding types, ionic compounds have greater/higher melting point as compare to molecular compounds.
Ответ:
H⁺ + OH⁻ = H₂O
acid and base react, salt and water are formed
NaOH + HNO₃ = NaNO₃ + H₂O
2KOH + H₂SO₄ = K₂SO₄ + 2H₂O