Sulphur trioxide can be obtained by which of the following reaction

$CaSO subscript 4 space plus straight C space rightwards arrow with increment on top$
$Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space rightwards arrow with increment on top$
$straight S space plus straight H subscript 2 end subscript SO subscript 4 end subscript rightwards arrow with increment on top$
$straight H subscript 2 end subscript SO subscript 4 end subscript plus PCl subscript 5 space rightwards arrow with increment on top$

Solution

Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space rightwards arrow with increment on top

straight a right parenthesis space CaSO subscript 4 space plus straight C rightwards arrow with increment on top space CaO space plus SO subscript 2 space plus CO straight b right parenthesis space Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3 space rightwards arrow with increment on top Fe subscript 2 straight O subscript 3 space plus 3 SO subscript 3 straight c right parenthesis space straight S space plus straight H subscript 2 SO subscript 4 space rightwards arrow with increment on top 3 SO subscript 2 space plus 2 straight H subscript 2 straight O straight d right parenthesis space straight H subscript 2 SO subscript 4 space plus PCl subscript 5 space rightwards arrow with increment on top space SO subscript 3 HCl space plus POCl subscript 3 space plus HCl Thus comma space SO subscript 3 space is space obtained space by space heating space space Fe subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3.

Some More Questions From Organic Chemistry – Some Basic Principles and Techniques Chapter

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