For first order parallel reactions \( k_{1} \) and \( k_{2} \) are 4 and \( 2 \mathrm{~min}^{-1}...

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For first order parallel reactions \( k_{1} \) and \( k_{2} \) are 4 and \( 2 \mathrm{~min}^{-1} \) respectively at \( 300 \mathrm{~K} \). If the activation energies for the formation of \( B \) and \( C \) are respectively 30,000 and 38,314 joule/mol respectively, the temperature at which \( B \) and \( C \) will be obtained in equimolar ratio is :
(a) \( 757.48 \mathrm{~K} \)
(b) \( 378.74 \mathrm{~K} \)
(c) \( 600 \mathrm{~K} \)
(d) none of these
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