JEE Advanced 2020 Full Test 1 Paper 2

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Question : 25 of 54
 
Marks: +1, -0
'Sulpholane' is an industrial solvent. The reaction sequence of its preparation is given below
1, 3-butadiene +SO2
100∘C
─────▶
Addition product ‌
H2‌Ni
─────▶
Sulpholane
The structure of sulpholane is
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