Select the option containing the correct order of the given parameter.

  • A
    $C > Si > Ge > Pb$ (Order of reactivity with alkali)
  • B
    $C > Pb > Ge > Si$ (Order of reactivity with alkali)
  • C
    $[CoCl_3(NH_3)_3] > [CoCl(NH_3)_5]Cl_2 > [Co(NH_3)_6]Cl_3 > [CoCl_2(NH_3)_4]Cl$ (Order of electrical conductivity)
  • D
    $[Co(NH_3)_6]Cl_3 > [CoCl(NH_3)_5]Cl_2 > [CoCl_2(NH_3)_4]Cl > [CoCl_3(NH_3)_3]$ (Order of electrical conductivity)

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Similar Questions

The brown ring test for $NO_2^-$ and $NO_3^-$ ions is due to the formation of which of the following complex ions?

With which of the following will ammonia $NOT$ form a complex compound?

Which of the following ions forms a complex with a coordination number of $2$ in the presence of excess $CN^{-}$?

Which complex is most stable? Where $k_d =$ Dissociation constant.

For the complex $ML_2$,the stepwise formation constants for the reactions:
$M + L \rightleftharpoons ML$
$ML + L \rightleftharpoons ML_2$
are $4$ and $3$ respectively. Hence,the overall stability constant for the reaction:
$M + 2L \rightleftharpoons ML_2$
is:

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