Question

An atom A requires one electron to complete its octet. Atom B must release one electron while atom C must release three electrons to attain stable configuration. Will the electrovalent bond formation be favoured between A and B or between A and C? Why.
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Answer 1

Answer:

An electrovalent bond between A and B is favored.

Explanation:

1. As A has valency 1 and B has valency 1, they will surely form a bond together.

2. The oxidation state of A is -1 and B is +1.

3. As their oxidation state cancels out, they are most likely to form a compound.

4. As one atom is only required from both A and B to form a compound, they will bond faster when compared to A and C, where 3 atoms of A and one atom of C are required.

Answer 2

Answer:

covalency for C is 3

covalencty for A is 1

covalency for B is 1. A can form bond with B

Explanation:

to complete their octets A and B can form bond.

B can donate 1 electron and A can accept one electron.