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  • The isomerization of cyclobutane to form butane <img alt="\mathrm{\left(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}_2\right)}" src="https://entrancecorner.oncodecogs.com/gif.latex?%5Cmathrm

The isomerization of cyclobutane to form butane \mathrm{\left(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{CH}=\mathrm{CH}_2\right)} is a first order reaction. At 1000 K, 70% of a sample of cyclobutane changes to butene in 75 min.

Calculate the value of the rate constant.

Option: 1

2.42 \mathrm{~min}^{-1}


Option: 2

1.6 \times 10^{-2} \mathrm{~min}^{-1}


Option: 3

2.40 \times 10^{-2} \mathrm{~min}^{-1}


Option: 4

1.04 \times 10^{-2} \mathrm{~min}^{-1}


Answers (1)

best_answer

\mathrm{K=\frac{2.303}{t} \log \left\{\frac{A_0}{A_0-x}\right\}}

      =2.303 \log \left\{\frac{1}{1-0.7}\right\}

\mathrm{k=\frac{2.303}{75} \log \left\{\frac{1}{0.3}\right\}}

\mathrm{k=1.6 \times 10^{-2} min ^{-1}}

Posted by

sudhir kumar

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