What are triple covalent bonds ? (2024)

FAQs

What is the triple covalent bond? ›

Triple covalent bond is the bond that is formed by sharing of three electron pairs between two atoms in which each atom contributes three electrons. It is represented by putting three short lines between two atoms.

Examples of covalent bonds include water, carbon dioxide, ammonia, ozone, glucose, carbon monoxide, methane, phosphorus trichloride, fructose, and chlorine gas.

A triple bond in an alkyne consists of one sigma bond and two pi bonds.

There are multiple classes of hydrocarbons, but a hydrocarbon with triple bonds is known as an alkyne. A triple bond is formed when 6 electrons are shared. A triple bond is represented as 3 horizontal lines. All alkynes end in the suffix -yne.

Group 5A (15) elements such as nitrogen have five valence electrons in the atomic Lewis symbol: one lone pair and three unpaired electrons. To obtain an octet, these atoms form three covalent bonds, as in NH₃ (ammonia). Oxygen and other atoms in group 6A (16) obtain an octet by forming two covalent bonds.

Sigma bonds are the strongest covalent chemical bonds. Sigma bonds also occur when an s and a p orbital share a pair of electrons or when two p orbitals that are parallel to the internuclear axis share a pair of electrons (see Figure 3-4).

The three types of covalent bonds are single covalent bonds, double covalent bonds, and triple covalent bonds.

Covalent compound examples include water, ammonia, chlorine gas, and nitrogen gas.

Nitrogen atoms will form three covalent bonds (also called triple covalent) between two atoms of nitrogen because each nitrogen atom needs three electrons to fill its outermost shell.

If the shared number is one pair of electrons, the bond will be a single bond, whereas if two atoms bonded by two pairs (four electrons), it will form a double bond. Triple bonds are formed by sharing three pairs (six atoms) of electrons. These sharing electrons are commonly known as valence electrons.

Is a triple bond the strongest? ›

Thus, the bond strength is as follows: Triple bond > Double bond > Single bond. This means to break all the three bonds in a triple bond, maximum energy is required.

This triple bond consists of a sigma bond and two pi bonds. This example is from Wikipedia and may be reused under a CC BY-SA license. Each double bond has two additional localized electrons, while each triple bond has four additional electrons (two pairs) between the bonded atoms.

A covalent triple bond is when the two atoms are sharing three electron pairs. With three pairs of electrons, this means that there are a total of six electrons being shared.

The compounds having a triple bond between carbon atoms are called Alkynes. Hence C₃H₄ belongs to the alkyne family.

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