NVAMediumJEE Main 2023 · 12 April, Shift 1Order & Molecularity

Chemistry Question from JEE Main 2023 · 12 April, Shift 1

The reaction 2NO+Br22NOBr2NO + Br_2 \to 2NOBr takes place through the mechanism given below:

NO+Br2NOBr2(fast)NO + Br_2 \leftrightarrow NOBr_2 \quad (\text{fast}) NOBr2+NO2NOBr(slow)NOBr_2 + NO \to 2NOBr \quad (\text{slow})

The overall order of the reaction is _____.

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