Chemistryhard · Past Paper
The formula of Oleum is:
AH2S2O7
BH2SO4
CH2SO3
DH2S2O8
✓ Correct Answer: A — H2S2O7
Oleum is produced by dissolving SO3 in concentrated H2SO4, giving pyrosulfuric acid (H2S2O7).
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✓ Correct Answer: A — H2S2O7
Oleum is produced by dissolving SO3 in concentrated H2SO4, giving pyrosulfuric acid (H2S2O7).
Share this question