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Of the choices below, which one is not an ionic compound?

a) PCl5
b) CrCl6
c) RbCl
d) PbCl2
e) NaCl

1 Answer

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Final answer:

The compound that is not an ionic compound is PCl5.

Step-by-step explanation:

The correct answer is (a) PCl5. This is because PCl5 is a covalent compound, not an ionic compound. Ionic compounds are formed when a metal and a non-metal combine, resulting in the transfer of electrons. Covalent compounds, on the other hand, are formed when two non-metals share electrons. In the case of PCl5, both phosphorus (P) and chlorine (Cl) are non-metals, so they share electrons to form covalent bonds.

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