Match the chemical conversion in List-I with the approprotae reagents in List-II and select the correct answer using the code given below this list-
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Options

A. `{:(P,Q,R,S),(2,3,1,4):}`
B. `{:(P,Q,R,S),(3,2,1,4):}`
C. `{:(P,Q,R,S),(2,3,4,1):}`
D. `{:(P,Q,R,S),(3,2,4,1):}`

Answer

A