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Chapter 10: Q68E. (page 591)

Identify the type of crystalline solid (metallic, network covalent, ionic, or molecular) formed by each of the following substances:

\(\begin{aligned}{\rm{(a)Si}}{{\rm{O}}_{\rm{2}}}\\{\rm{(b)KCl}}\\{\rm{(c)Cu}}\\{\rm{(d)C}}{{\rm{O}}_{\rm{2}}}\\{\rm{(e)C(diamond)}}\\{\rm{(f)BaS}}{{\rm{O}}_{\rm{4}}}\\{\rm{(g)N}}{{\rm{H}}_{\rm{3}}}\\{\rm{(h)N}}{{\rm{H}}_{\rm{4}}}{\rm{\;F}}\\{\rm{(i)}}{{\rm{C}}_{\rm{2}}}{{\rm{H}}_{\rm{5}}}{\rm{OH}}\end{aligned}\)

Short Answer

Expert verified

The type of crystalline solid

(a) Covalent network

(b) Ionic

(c) Metallic

(d) Molecular

(e) Covalent network

(f) Ionic

(g) Molecular

(h) Ionic

(i) Molecular

Step by step solution

01

To find the type of crystalline solid

Solid is mainly classified into two categories:- Crystalline and Amorphous.

Crystalline solid is further compartmentalized into four categories: Molecular, ionic, covalent, and metallic solids.

Ionic solids are framed of ions held together by ionic bonds.

Metallic solids are composed of electropositive atoms held together by metallic bonds.

Covalent solids are composed of electronegative atoms held jointly by covalent bonds.

Molecular solids are atoms or molecules held together by dispersion forces, dipole forces, or hydrogen bonds.

Hence the type of crystalline solid given are:

Covalent network, Ionic, Metallic, Molecular, Covalent network, Ionic, Molecular, Ionic and Molecular.

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