Which of the following chemicals is a nerve agent? which of the following statements regarding a dirty bomb” is correct.
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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.
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.
(a) H-bond is only an interaction between electronegative element and hydrogen therefore, it is the weakest bond among all.
A sigma bond is the strongest type of covalent bond, in which the atomic orbitals directly overlap between the nuclei of two atoms. Sigma bonds can occur between any kind of atomic orbitals; the only requirement is that the atomic orbital overlap happens directly between the nuclei of atoms.
Answer: The combination of Mg2+ and O2- has the strongest ionic bond because it has high lattice energy among all the given options.
The triple bonds are the shortest bonds. The length of the bond depends on the bond strength. Higher the strength of the bond, shorter the length will be. (i.e.) bond length is inversely proportional to the bond strength.
The longest covalent bond I can find is the bismuth-iodine single bond. The order of bond lengths is single > double > triple. The largest atoms should form the longest covalent bonds. So we look at atoms in the lower right corner of the Periodic Table.
Generally, intramolecular forces are stronger than intermolecular forces. Within intermolecular forces, ion-dipole is the strongest, followed by hydrogen bonding, then dipole-dipole, and then London dispersion.
Sodium, Gold and Gallium – all have 1 delocalized electron in their electron pool, However, the electronic configuration of Mercury is complete and hence it is less likely to be ionized. Thus, Mercury forms weak metallic bonds.
Hence, Vander Waals bonds are not a strong bond and the correct option is (A). Note: Covalent and ionic bonds result in the formation of chemical compounds that cannot be easily separated into their constituent elements but metallic bonds and Vander Waals bonds never result in the formation of compounds.
Van der Waals forces are the weakest intermolecular force and consist of dipole-dipole forces and dispersion forces.
As we shall explore in this section on ionic bonding, ionic bonds result from the mutual attraction between oppositely charged ions. They tend to be stronger than covalent bonds due to the coulombic attraction between ions of opposite charges.
Explanation: The strongest covalent bond is PROBABLY between C−F …the weakest bond is between F−F , due to unfavourable electrostatic interactions between the lone pair electrons on each fluorine centre…
Ionic bond is much stronger than covalent bond because it involves complete transfer of electrons because of which there is formation of cation and anion and there exist huge electrostatic forces of attraction. They also have high melting and boiling point which proves that the ionic bond is very strong.
Reason: AgCl having least covalent character and Ag having least ionic character.