Question

Melting point of nacl is higher than of cucl

Answer 1

Answer:

yes you are true. Melting point of NaCl is higher than CuCl

Answer 2

When comparing melting point of NaCl and CuCl , we compare the both by their bond strength , i.e. Greater the bond attraction / bond strength , Higher will be the melting point. in another way , we can understand it by the bond dissociation energy , which also depends upon bond strength.

So,

• When we talk about NaCl and CuCl , we know that , Sodium ( Na ) is more electrovalent than Copper ( Cu ) , or in simple terms Sodium ( Na ) has greater attraction than Copper ( Cu ) , and so , There will be greater attraction between Na - Cl bond as compare to the Cu - Cl bond.

That's why as the bond strength / bond dissociation energy / ionic bond / attraction force is strong or high in NaCl so , it is harder to melt it , if comparing with CuCl.

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