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Decomposition of H2O2 follows a first order reaction. In fifty minutes the concentration of H2O2 decreases from 0.5 to 0.125M in one such decomposition. When the concentration of H2O2 reaches 0.05M, the rate of formation of O2 will be :


( A ) 2.66Lmin1 at STP
( B ) 1.34×102molmin1
( C ) 6.93×104molmin1
( D ) 6.93×102molmin1

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