Oxygen forms two covalent bonds or a single double bond.
Further explanation:
Oxygen forms two covalent bonds, or a double covalent bond. It has two unpaired electrons. Oxygen has six electrons in its outermost orbital which are involved in bonding.
Covalent bond:
A bond which is formed by the mutual sharing of electrons is called a covalent bond. The valence electrons of an atom are involved in the formation of a covalent bond. The covalent bond is of many types depending upon its kinds of bonding atoms or bond order. Oxygen atom containing six electrons in its outermost orbit forms a double covalent bond.
According to bond order the following are the three types of covalent bonds:
Single covalent bond:
The type of covalent bond which is formed by the mutual sharing of one electron pair is termed as single covalent bond.
For example:
The bond in hydrochloric acid is a covalent bond.
Double covalent bond:
A bond which is formed by the mutual sharing of two pairs of electrons is termed as double covalent bond.
For example:
Bond in carbon dioxide etc.
Triple covalent bond:
A bond which is formed by the mutual sharing of three pair of electrons is called a triple covalent bond.
For example:
Bond present in acetylene etc.
Strength of bonds:
Double covalent bond is stronger than a single covalent bond and a triple covalent bond is stronger than the double covalent bond.
Answer details
Subject: Chemistry
Level: College
Keywords
- Covalent bond
- Single covalent bond
- Double covalent bond
- Triple covalent bond
- Strength of bonds
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