Question

Decomposition of H2O2 follows a first order reaction. In fifty minutes the concentration of H2O2 decreases from 0.5 to 0.125 M in one such decomposition. When the concentration of H2O2 reaches 0.05 M, the rate of formation of O2 will be:
(1) 6.93×10-4 mol min-1

(2) 2.66 L min–1 at STP

(3) 1.34×10-2 mol min-1

(4) 6.93×10-2 mol min-1​

Answer 1

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Answer 2

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