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{:("List - I","List - II"),("A) Ionic so...

`{:("List - I","List - II"),("A) Ionic solid","1) soft"),("B) Covalent Solid","2) Hard and Brittle"),("C) Molecular solid","3) very hard"),("D) Metallic solid","4) Malleable and ductile"):}`
The correct match is

A

`{:(A,B,C,D),(1,2,3,4):}`

B

`{:(A,B,C,D),(2,3,4,1):}`

C

`{:(A,B,C,D),(2,3,1,4):}`

D

`{:(A,B,C,D),(1,2,4,3):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the matching question between List I (types of solids) and List II (properties of solids), we will analyze each type of solid and its corresponding property step by step. ### Step 1: Analyze Ionic Solids - **Ionic Solids**: These solids are formed by the electrostatic attraction between positively and negatively charged ions. - **Property**: Ionic solids are generally **hard** due to the strong ionic bonds and **brittle** because when stress is applied, the layers of ions can shift, causing like charges to repel each other and leading to fracture. **Match**: Ionic solid → Hard and Brittle (2) ### Step 2: Analyze Covalent Solids - **Covalent Solids**: These consist of atoms connected by covalent bonds, forming a network structure. - **Property**: They are typically **very hard** due to the strength of the covalent bonds throughout the structure. **Match**: Covalent solid → Very Hard (3) ### Step 3: Analyze Molecular Solids - **Molecular Solids**: These are composed of molecules held together by weaker intermolecular forces (like van der Waals forces). - **Property**: Because of the weak forces, molecular solids tend to be **soft**. **Match**: Molecular solid → Soft (1) ### Step 4: Analyze Metallic Solids - **Metallic Solids**: These consist of metal atoms that share a "sea" of delocalized electrons. - **Property**: Metallic solids are generally **malleable and ductile** because the metal atoms can slide past each other without breaking the metallic bond. **Match**: Metallic solid → Malleable and Ductile (4) ### Final Matches Now, we can summarize the correct matches: - A) Ionic solid → 2) Hard and Brittle - B) Covalent solid → 3) Very Hard - C) Molecular solid → 1) Soft - D) Metallic solid → 4) Malleable and Ductile ### Conclusion The correct matches are: - A - 2 - B - 3 - C - 1 - D - 4
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