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Mariana [72]
3 years ago
11

A substance that can donate a pair of electrons to form a covalent bond is known as a(n) _____ base.

Chemistry
2 answers:
DENIUS [597]3 years ago
6 0

Answer : A substance that can donate a pair of electrons to form a covalent bond is known as a(n) Lewis-base.

Explanation :

According to the Lewis acid-base theory,

Lewis acid : It is a substance that can accepts pairs of electrons to form a covalent bond.

Lewis-base : It is a substance that can donates pairs of electrons to form a covalent bond.

For example :

H^++OH^-\rightarrow H_2O

In this reaction, H^+ ion is Lewis-acid and OH^- ion is a Lewis-base. The OH^- ion donates electrons to H^+ ion to form H_2O.

Hence, a substance that can donate a pair of electrons to form a covalent bond is known as a(n) Lewis-base.

Gnesinka [82]3 years ago
5 0

A substance that can donate a pair of electrons to form a covalent bond is known as a Lewis base. It is any substance that can donate a pair of nonbonding electrons. The Lewis theory suggests that acids react with bases to share a pair of electrons with no change of oxidation numbers of any atoms.

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