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Match the List - I with List - II {:(,...

Match the List - I with List - II
`{:(,"List - I",,"List - II"),((P),"van Arkel method",(1),"Purification of copper"),((Q),"Poling",(2),"Refining of silver"),((R),"Cupellation",(3),"Manufacture of "Na_(2)CO_(3)),((S),"Solvay process",(4),"Purification of titanium"):}`

A

`{:(P,Q,R,S),(4,1,3,2):}`

B

`{:(P,Q,R,S),(2,3,1,4):}`

C

`{:(P,Q,R,S),(2,3,4,1):}`

D

`{:(P,Q,R,S),(4,1,2,3):}`

Text Solution

AI Generated Solution

The correct Answer is:
To solve the matching question, we will analyze each item in List - I and determine its corresponding item in List - II based on the processes described. ### Step-by-Step Solution: 1. **Identify the van Arkel method (P)**: - The van Arkel method is also known as vapor phase refining. It involves the thermal decomposition of metal iodides, specifically used for the purification of titanium and zirconium. - **Conclusion**: The van Arkel method is related to the purification of titanium. - **Match**: P → 4 (Purification of titanium). 2. **Identify Poling (Q)**: - Poling is a process used to purify metals, particularly copper and tin. In this method, oxidized impurities react with carbon to form pure metal and carbon dioxide. - **Conclusion**: Poling is related to the purification of copper. - **Match**: Q → 1 (Purification of copper). 3. **Identify Cupellation (R)**: - Cupellation is a refining process primarily used for precious metals like silver and gold. It involves the separation of metals from their ores or alloys. - **Conclusion**: Cupellation is related to the refining of silver. - **Match**: R → 2 (Refining of silver). 4. **Identify Solvay process (S)**: - The Solvay process is an industrial method for producing sodium carbonate (Na2CO3) from sodium chloride and limestone. - **Conclusion**: The Solvay process is related to the manufacture of Na2CO3. - **Match**: S → 3 (Manufacture of Na2CO3). ### Final Matches: - P → 4 (Purification of titanium) - Q → 1 (Purification of copper) - R → 2 (Refining of silver) - S → 3 (Manufacture of Na2CO3) ### Summary of Matches: - **P**: van Arkel method → **4**: Purification of titanium - **Q**: Poling → **1**: Purification of copper - **R**: Cupellation → **2**: Refining of silver - **S**: Solvay process → **3**: Manufacture of Na2CO3
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