Question

Write the expression for the rate of overall reaction in terms of rates of consumption of reactants and formation of products if the gas-phase reaction between NO and Br is represented by the equation
2NO (g) + Br₂ (g) → 2NOBr (g)

Answer 1

For the reaction says, aA + bB -- cC + dD,

The rate of reaction will for the D production will be as follows,

Rate (A) = -a/d rate (1)

Rate (B) = -b/d rate (1)

Rate © = c/d rate (1)

Rate of NOBr = -2/1 Rate(1) which will be the actual answer.