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Chemistry
When conc. H2SO4 is heated with P2 O5, the acid is converted into
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Q. When conc. $H_2SO_4$ is heated with $P_2 O_5$, the acid is converted into
KCET
KCET 2007
The p-Block Elements - Part2
A
sulphur
4%
B
sulphur dioxide
10%
C
sulphur trioxide
74%
D
a mixture of sulphur dioxide and sulphur trioxide
12%
Solution:
When cone. $H_2SO_4$ is heated with $P_2O_5$, the acid is converted into sulphur trioxide.
$2H_2SO_4 + 2P_2O_5 \rightarrow \underset{\text{ sulphur trioxide}}{ 2SO_3 } + 4HPO_3$