What are the strongest to weakest bonds? (2024)

FAQs

What are the strongest to weakest bonds? ›

Therefore, the order of strength of bonds from the strongest to weakest is; Ionic bond > Covalent bond > Hydrogen bond > Van der Waals interaction.

Therefore, the order from strongest to weakest bond is Ionic bond > Covalent bond > Hydrogen bond > Vander Waals interaction.

Ionic bond: Ionic bonds are the strongest bonds because these are formed due to the electrostatic attraction of an electron from one atom to another. Covalent bond: These are also considered the strongest bond but not as much as an ionic bond, and these bonds are formed when the atoms share the pairs of electrons.

The Hydrogen bonds are the weakest as they aren't really bonds but just forces of attraction to the dipoles. On a hydrogen atom which are permanent and bonded to two atoms which are highly electronegative in nature. They are just electrostatic and not an actual physical bond which makes them very easy to simply bypass.

The strength of a bond between two atoms increases as the number of electron pairs in the bond increases. Thus, we find that triple bonds are stronger and shorter than double bonds between the same two atoms; likewise, double bonds are stronger and shorter than single bonds between the same two atoms.

Hint: Covalent bonds are known to be the strongest and the bonds formed via Van der Waals forces are known to be the weakest. The ranking from strongest to weakest bonds is: Covalent bond $ > $ ionic bond $ > $ hydrogen bond $ > $ Van der Waals forces.

N2 has the highest bond order which is 3. Li2,He2 and O2 have bond orders 1, 0 and 2 respectively. Q. N2 has greater bond energy than N2+ but O2 has tower bond dissociation energy then O2+.

Therefore, the order of strength of bonds from the strongest to weakest is; Ionic bond > Covalent bond > Hydrogen bond > Van der Waals interaction.

Hydrogen bonding is the weakest because it is the weak attraction of the hydrogen end of a polar molecule due to the partial negative charge of an adjacent molecule.

Higher the bond order, shorter is the bond length and greater is the bond energy. Assertion : F2andO2−2have bond order 1 while N2,COandNO+ have bond order 3. Reason : Higher the bond order, higher is the stability of the molecule.

Which bonds are very weak? ›

Hydrogen Bonds

Weaker bonds can also form between molecules. Two weak bonds that occur frequently are hydrogen bonds and van der Waals interactions. Without these two types of bonds, life as we know it would not exist.

Complete answer:

Generally, ionic bonds are much stronger than covalent bonds. In ionic bonds, there is complete transfer of electrons between elements to form a stable compound. While in covalent bond, there is only sharing of electrons between two elements to form a stable compound.

In terms of bonds in molecules, strongest to weakest is: covalent, ionic, hydrogen, dipole-dipole, london dispersion forces.

Weak bonds- When there is less force of attraction in between the atoms or molecules they are called weak bonds. They are of two types - Van der Waal Bonds and Hydrogen bond. Van de Waal bonds are weak bonds formed due to the less force of attraction. For example, Mostly all liquids and some solids.

The higher the bond order, the stronger the pull between the two atoms and the shorter the bond length.

Applying the above points, we get to know that the triple bonds are strongest and thus the shortest among single, double and triple bonds.

The answer is (A) Ionic bond > Covalent bond > Hydrogen bond > Dipole - Dipole > Vander Waals. The reason is simple because the ionic bonds are formed due to electrostatic attraction between the two atoms hence, they are definitely the strongest ones.

Correct option is B. 2 p − 2 p > 2 s − 2 p > 2 s − 2 s > 1 s − 1 s.