Published by:
CGP EDU Academic Team
Published on: September 12, 2026
When conc. 
is heated with 
, the acid is converted to
Text Solution
Verified by ExpertsThe correct answer is:
A
Step 1: Concentrated sulfuric acid (H2SO4) is typically used in conjunction with phosphorus pentoxide (P2O5).
Step 2: When heated, concentrated H2SO4 can dehydrate phosphorus pentoxide to produce sulfur oxides.
Step 3: The heat induces the conversion of sulfuric acid to different sulfur oxides, specifically sulfur dioxide (SO2) and sulfur trioxide (SO3).
Step 4: Therefore, the main products formed in the reaction will be a mixture of sulfur dioxide and sulfur trioxide.
Therefore, the correct answer is A.
Step 2: When heated, concentrated H2SO4 can dehydrate phosphorus pentoxide to produce sulfur oxides.
Step 3: The heat induces the conversion of sulfuric acid to different sulfur oxides, specifically sulfur dioxide (SO2) and sulfur trioxide (SO3).
Step 4: Therefore, the main products formed in the reaction will be a mixture of sulfur dioxide and sulfur trioxide.
Therefore, the correct answer is A.
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