NEET-XII-Chemistry

Previous Year Paper year:2018

with Solutions - page 2
  • #63
    Which one of the following elements is unable to
    form ``MF_6^{3-}``?
    (1) Ga (2) AI (3) B (4) In
    digAnsr:   3
    Ans : (3)
    Sol. MF
    6
    -3
    Boron belongs to 2nd period and it does not have
    vacant d-orbital.