MCQ
Product $(A)$ of the reaction is


- A

- B

- ✓

- D








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$\mathop {{C_4}{H_8}}\limits_{{\text{Cyclobutane}}} \xrightarrow{{Heat}}2{C_2}{H_4}$ The rate constant is $2.3 \times 10^{-4}\ sec^{-1}.$ In what time will the molar ratio of the ethylene to cyclobutane in reaction mixture attain the value $1$ ? ...... $\min$
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.