Question
oxide of E react with KOH & give compd like KMnO4 WHAT IS THE FORMULA OF OXIDE OF E
EO
E2O3
E2O7 OR ANY OTHER ANS (& IF ANY OTHER ONE THEN GIVE THAT ANS WITH SOLn)
Joshi sir comment
- 2 EO2 + 4 KOH + O2 → 2 K2EO4 + 2 H2O
- and
- 3 K2EO4 + 2 CO2 → 2 KEO4 + 2 K2CO3 + EO2
- so oxide will be EO2
Read 1 Solution.
The compound is E207. This is the preparation method of KMnO4 with Mn2O7 (pyrulusite)
NIKHIL VARSHNEY 12 year ago
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