The one which is unimolecular reaction is

  • A

    $2HI \to {H_2} + {I_2}$

  • B

    ${N_2}{O_5} \to {N_2}{O_4} + \frac{1}{2}{O_2}$

  • C

    ${H_2} + C{l_2} \to 2HCl$

  • D

    $PC{l_3} + C{l_2} \to PC{l_5}$

Similar Questions

Reaction : $KCl{O_3} + 6FeS{O_4} + 3{H_2}S{O_4} \to $ $KCl + 3F{e_2}{\left( {S{O_4}} \right)_3} + 3{H_2}O$

Which is True $(T)$ and False $(F) $ in the following sentence ?

The reaction is complex.

Select the rate law that corresponds to the data shown for the following reaction $A+ B\to C$

  Expt. No.   $(A)$  $(B)$  Initial Rate
  $1$   $0.012$  $0.035$  $0.10$
  $2$   $0.024$  $0.070$  $0.80$
  $3$

  $0.024$

 $0.035$  $0.10$
  $4$   $0.012$  $0.070$  $0.80$

  • [AIIMS 2012]

Why can’t molecularity of any reaction be equal to zero ?

The reaction $2{N_2}{O_5}$ $\rightleftharpoons$ $2{N_2}{O_4} + {O_2}$ is

If the concentration is expressed in moles per litre, the unit of the rate constant for a first order reaction is