destroyer 2013 ed GC #29 ionic compound molecular geometry

[leia03]

How many molecules are linear: NH4+, HCN, SF6, CO2, H2S, HCl.
The answer is HCN and HCl, but can ionic compound have molecular geometry? I looked it up, and what I found was ionic compound does not have a defined molecular geometry. Anyone can clarify this for me?

Thanks

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[datthirty]

HCL is covalend bond molecule. It is not ionic compand.

And CO2 is linear too.

 

[leia03]

OMG, what was I thinking! Thank you!

 

[datthirty]

You are welcome.