For a reaction 1 2 ~A 2 ~B rate of disappearance of ‘A’ is related to the rate of…

Chemistry · JEE Main · NTA Exams — Chemical Kinetics

1. \(\frac{-\mathrm{d}[\mathrm{~A}]}{\mathrm{d}}=\frac{1}{2} \frac{\mathrm{~d}[\mathrm{~B}]}{\mathrm{d}}\)
2. \(-\frac{\mathrm{d}[\mathrm{~A}]}{\mathrm{d}}=\frac{1}{4} \frac{\mathrm{~d}[\mathrm{~B}]}{\mathrm{d}}\)
3. \(-\frac{\mathrm{d}[\mathrm{~A}]}{\mathrm{d}}=\frac{\mathrm{d}[\mathrm{~B}]}{\mathrm{d}}\)
4. \(-\frac{\mathrm{d}[\mathrm{~A}]}{\mathrm{d}}=4 \frac{\mathrm{~d}[\mathrm{~B}]}{\mathrm{d}}\)

Answer

(B) - d [ ~A ] d = 1 4 ~d [ ~B ] d

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