Consider the species $CH _{4}, NH _{4}^{+}$and $BH _{4}^{-}$. Choose the correct option with respect to the there species .... .

  • [JEE MAIN 2022]
  • A

    They are isoelectronic and only two have tetrahedral structures

  • B

    They are isoelectronic and all have tetrahedral structures

  • C

    Only two are isoelectronic and all have tetrahedral structures

  • D

    Only two are isoelectronic and only two have tetrahedral structures

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