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Chemistry
Fuming sulphuric acid is:
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Q. Fuming sulphuric acid is:
Bihar CECE
Bihar CECE 2004
The p-Block Elements
A
$ {{H}_{2}}S{{O}_{4}}+S{{O}_{3}} $
B
$ {{H}_{2}}S{{O}_{4}}+S{{O}_{2}} $
C
$ {{H}_{2}}S{{O}_{4}} $
D
$ {{H}_{2}}S{{O}_{4}}+S{{O}_{4}} $
Solution:
Oleum is fuming sulphuric acid.
$H_{2} S O_{4}+S O_{3} \rightarrow \underset{\overset{\text{oleum or}}{\text{pyrosulphuric acid}}}{H_{2} S_{2} O_{7}}$