AP EAMCET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
The sum of oxygen atoms in the formulae of peroxysulphuric acid and pyrosulphuric acid is
- A 7
- B 12
- C 15
- D 13
Answer & Solution
Correct Answer
(C) 15
Step-by-step Solution
Detailed explanation
Peroxysulphuric acid (Peroxydisulphuric acid) \[ =\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8 \text {. } \] Pyrosulphuric acid \(=\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7\) \(\Rightarrow\) Sum of \(\mathrm{O}\)-atoms \(=8+7=15\)
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