Question

I : Atom A with seven valence electrons forms ${AB}_2$ with atom B with two valence electrons.
II : B donates its electrons to fill the outer shell of A.

• A. Both Statement 1 and Statement 2 are correct and Statement 2 is the correct explanation of Statement 1.
• B. Both Statement 1 and Statement 2 are correct and Statement 2 is not the correct explanation of Statement 1.
• C. Statement 1 is correct but Statement 2 is not correct.
• D. Statement 1 is not correct but Statement 2 is correct.
• E. Both the Statement 1 and Statement 2 are not correct.

Answer 1

The correct option is D

Statement 1 is not correct but Statement 2 is correct.

I : Atom A with six valence electrons forms AB${}_2$ with atom B with one valence electron.
II : B donates its electron to fill the outer shell of A.
Statement 1 is not correct but Statement 2 is correct.
Note: An ionic bond is formed with $A^{2-}$ and $B^{+}$ ions.