Question

Classify the following solids as molecular, ionic, covalent and metallic

solids.

Pb, MgF, SO2, Quartz.

(B) Calculate standard enthalpy of reaction.

()

+ ( )

→ () + ()

From the following data

∆°(

) = −/, ∆°() = −/,

∆°(

) = −/​

Answer 1

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Pb =Metallic solid

MgF2 = Ionic solid

SO₂ = Molecular solid

quartz = Covalent solid