3F5 a

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3F5 a

Postby Martina » Sun Nov 17, 2019 8:13 pm

Suggest, giving reasons, which substance in each of the following pairs is likely to have the higher normal melting point
(Lewis structures may help your arguments): (a) HCl or NaCl

Why is the melting point of NaCl higher that HCL?

Naneeta Desar 1K
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Re: 3F5 a

Postby Naneeta Desar 1K » Sun Nov 17, 2019 8:18 pm

Since ionic bonds form strong electrostatic interactions with ions they have higher melting points than covalent compounds.

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Re: 3F5 a

Postby JasonKwon_3k » Sun Nov 17, 2019 8:30 pm

This is because nacl is a crystal lattice structure instead of a simple ionic compound, which requires more energy to break.

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