Ion- Ion and Dipole- Dipole

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Maggie Doan 1I
Posts: 61
Joined: Fri Sep 28, 2018 12:24 am

Ion- Ion and Dipole- Dipole

Postby Maggie Doan 1I » Mon Nov 26, 2018 11:05 pm

How do you tell if molecules have an ion- ion force or a dipole- dipole force? Like I don't understand why HCl is dipole- dipole.

Christopher Tran 1J
Posts: 77
Joined: Fri Sep 28, 2018 12:15 am

Re: Ion- Ion and Dipole- Dipole

Postby Christopher Tran 1J » Mon Nov 26, 2018 11:36 pm

HCl forms a covalent polar bond between H and Cl, since both are nonmetals and have a electronegativity difference of less than 2.

Therefore, since it is covalent and polar, a dipole moment exists in HCl where the negative end of F and the positive end of H in another HCl molecule attracts each other.

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