How many litres of Cl2 at STP will be liberated by oxidation of NaCl with 10 g KMnO4 ?
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a
3.54 litres
b
7.08 litres
c
1.77 litres
d
none of these
answer is A.
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Detailed Solution
1gm eqwt of KMnO4 will liberate 1 gm eqwt of Cl2 1585gm of KMnO4 will liberate 35.5 gm of Cl2 or 11.2 lts of Cl2Thus 10 gm 0f KMnO4 will liberate 10×11.2×5158=3.54lts