NEET-XII-Chemistry

08: The d-and f-Block Elements

page 2
Qstn# II-5 Prvs-QstnNext-Qstn
  • #5
    What may be the stable oxidation state of the transition element with the

    following d electron configurations in the ground state of their atoms : 3d3,

    3d5, 3d8and 3d4?
    Ans :









    Electronic configuration in ground state
    Stable oxidation states
    (i) 3d3 (Vanadium) +2, +3, +4 and +5
    (ii) 3d5 (Chromium) +3, +4, +6
    (iii) 3d5 (Manganese) +2, +4, +6, +7
    (iv) 3d8 (Cobalt) +2, +3
    (v) 3d4 There is no3d4 configuration in ground state.