By starting with 0.5 moles of sodium peroxide how many moles of dioxygen gas can be obtained by dropping excess of acidified potassium permanganate solution on it?

Question

By starting with 0.5 moles of sodium peroxide how many moles of dioxygen gas can be obtained by dropping excess of acidified potassium permanganate solution on it?, 0.125 mole, 1 mole, 0.25 mole, 0.5 mole

MARKS App · Accepted Answer

2 K M n O 4 + 5 N a 2 O 2 + 8 H 2 S O 4 → K 2 S O 4 + 2 M n S O 4 + 5 N a 2 S O 4 + 8 H 2 O + 5 O 2 5 mole Na 2 O 2 O 2 = 5 gives O 2 = 5 mole So 0 .5 mol Na 2 O 2 give O 2 = 0 .5 mol

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