For 2H2O2→2H2O+O2,t0.5=0.301hr when H2O2 at t=0 is 0.5M initial rate is

Decomposition of H2O2 is first order reactionRate = K[H2O2]Rate = 0.6930.301[0.5]=1.1511mole/lit/hr

For 2H2O2→2H2O+O2,t0.5=0.301hr when H2O2 at t=0 is 0.5M initial rate is

Decomposition of H2O2 is first order reactionRate = K[H2O2]Rate = 0.6930.301[0.5]=1.1511mole/lit/hr

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For $2 H_{2} O_{2} \to 2 H_{2} O + O_{2}, t_{0.5} = 0.301 hr$ when $[H_{2} O_{2}] at t = 0 is 0.5 M$ initial rate is

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2.303M.h^–1

1.151M.h^–1

4.606M.h^–1

0.301M.h^–1

answer is B.

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Decomposition of H₂O₂ is first order reaction

Rate = K[H₂O₂]

Rate = $\frac{0.693}{0.301}$ [0.5]=1.1511mole/lit/hr

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For 2H2O2→2H2O+O2,t0.5=0.301hr when H2O2 at t=0 is 0.5M initial rate is

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For $2 H_{2} O_{2} \to 2 H_{2} O + O_{2}, t_{0.5} = 0.301 hr$ when $[H_{2} O_{2}] at t = 0 is 0.5 M$ initial rate is