The sharing of electrons generally between nonmetals is a bond.

The correct answer is covalent bond.

Explanation:

A covalent bond is formed when sharing of electrons takes place between the atoms that are forming a compound. These are usually formed between two non-metals.

The atoms share electrons to attain stable electronic configurations.

For Example: Formation of water molecule from the combination of hydrogen and oxygen atoms.

Thus, the correct answer is covalent bond.

the dissociation of nickel hydroxide is follows:

the concentration of hydroxide ion is

the equilibrium constant value of nickel hydroxide is = 6.1 * 10^-^1^6 and thus equilibrium equation can be written as:

thus, concentration of ni is 0.23 * 10^-^4 mol /l