Ncert Exercises & Solutions

Which of the following statements is 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.

Choose the correct option
1. (a, b)
2. (b, c)
3. (c, d)
4. (a, d)

Electron precies compounds have the required number of electrons to write their conventional Lewis structures. All elements of group 14 forms electron-precise compounds (e.g., CH₄) which are tetrahedral in geometry.

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