List of top Chemistry Questions on Rate of a Chemical Reaction asked in NEET (UG)

Mechanism of a hypothetical reaction $X _{2}+ Y _{2} \rightarrow 2 XY$ is given below: (i) $X_{2} \rightarrow X+X$ (fast) (ii) $X + Y _{2} \rightleftharpoons XY + Y$ ( slow ) (iii) $X + Y \rightarrow XY$ (fast) The overall order of the reaction will be

For the reaction $ {H2_{(g)} + I2_{(g)} <=> 2HI_{(g)} }$, the rate of reaction is expressed as

The unit of rate constant for zero order reaction is