The catalytic activity of transition metals and their compounds is ascribed mainly to

  • [AIPMT 2012]
  • A

    their magnetic behaviour

  • B

    their unfilled $d-$ orbitals

  • C

    their ability to adopt variable oxidation states

  • D

    their chemical reactivity

Similar Questions

Which of the following have highest melting point

Among $\mathrm{VO}_2^{+}, \mathrm{MnO}_4^{-}$and $\mathrm{Cr}_2 \mathrm{O}_7^{2-}$, the spin-only magnetic moment value of the species with least oxidising ability is...................$BM$ (Nearest integer).

(Given atomic member $\mathrm{V}=23, \mathrm{Mn}=25, \mathrm{Cr}=24$ )

  • [JEE MAIN 2024]

Which ion has maximum magnetic moment

  • [AIIMS 1983]

Which of the following species is expected to show the highest magnetic moment? (At. Nos.: $Cr=24$,  $Mn = 25$,  $Co = 27$,  $Ni = 28$,  $Cu = 29)$ 

Which of the following ions gives coloured solution