For reaction

$Cl_2(aq) + H_2S(aq) \to S(s) + 2H^+(aq) + 2Cl^-(aq)$ rate law is $r = K[Cl_2][H_2S]$
then which of these mechanism is/are consistent with this rate law

$(A)\, H_2S \rightleftharpoons  H^+ + HS^-$ (fast)

         $Cl_2 + HS^-\to 2Cl^-+ H^+ + S$ (slow)

$(B)\, Cl_2 + H_2S \to H^+ + Cl^-+ Cl^+ + HS^-$ (slow)

          $Cl^+ + HS^-\to H^+ + Cl^-+ S$ (fast)

  • A

    Both $(A)$ and $(B)$

  • B

    $A$ only

  • C

    $B$ only

  • D

    Neither $A$ nor $B$

Similar Questions

The rate law for a reaction between the substances $ A $ and $B$  is given by, rate $= k{[A]^n}{[B]^m}$. On doubling the concentration of $A$ and halving the concentration of $B$, the ratio of the new rate to the earlier rate of the reaction will be as

  • [AIEEE 2003]

Which one of the following is wrongly matched

From the rate expression for the following reactions, determine their order of reaction and the dimensions of the rate constants.

$(ii)$ $H _{2} O _{2}( aq )+3 I ^{-}( aq )+2 H ^{+} \rightarrow 2 H _{2} O ( l )+ I _{3}^{-} \quad$ Rate $=k\left[ H _{2} O _{2}\right][ I ]$

The following data was obtained for chemical reaction given below at $975\, \mathrm{~K}$.

$2 \mathrm{NO}_{(\mathrm{g})}+2 \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{N}_{2(\mathrm{~g})}+2 \mathrm{H}_{2} \mathrm{O}_{(\mathrm{g})}$

 

$[NO]$

$\mathrm{mol} \mathrm{L}^{-1}$

${H}_{2}$

$\mathrm{mol} \mathrm{L}^{-1}$

Rate 

$\mathrm{mol}L^{-1}$ $s^{-1}$

$(A)$ $8 \times 10^{-5}$ $8 \times 10^{-5}$ $7 \times 10^{-9}$
$(B)$ $24 \times 10^{-5}$ $8 \times 10^{-5}$ $2.1 \times 10^{-8}$
$(C)$ $24 \times 10^{-5}$ $32 \times 10^{-5}$ $8.4 \times 10^{-8}$

The order of the reaction with respect to $\mathrm{NO}$ is ..... .

  • [JEE MAIN 2021]

Write general reaction. Write rate law of general reaction.