question_answer 1)

  Which of the following statements are correct? (a) Elements of group 15 form electron deficient hydrides. (b) All elements of group 14 form electron precise hydrides. (c) Electron precise hydrides have tetrahedral geometries. (d) Electron rich hydrides can act as Lewis acids.

Answer:

  (b, c) Hydrocarbons are electron precise and they have tetrahedral geometry.