Because in Alkyne,each C atom is sp hybridised(50% s character) and so has more electronegativity and hence more dipole moment.But in alkene, each atom is sp2 hybridised(33% s character) and hence lesser electronegativity
The unit for dipole moment is represented in Debye (D). The symbol for dipole moment is "μ" (mu).
The dipole moment of a solvent is a measure of its polarity, which indicates the separation of positive and negative charges within the molecule. Highly polar solvents have a large dipole moment, while nonpolar solvents have a dipole moment close to zero. The dipole moment of a solvent influences its ability to dissolve polar or ionic solutes.
Both CH2Cl2 and CHCl3 are bonded in a tetrahedral structure. The net dipole moment of CHCl3 is less than that of CH2Cl2 because the individual C-Cl dipole moments of CHCl3 cancel out each other to a greater extent.
An overall dipole moment is H2S.
The dipole moment of a drug molecule is a measure of its overall polarity, determined by the distribution of its electric charge. A molecule with a higher dipole moment will have a larger separation between its positive and negative charges, making it more likely to interact with polar molecules or ions in its environment. This can influence its solubility, binding interactions, and biological activity within the body.
Phosgene has a smaller dipole moment than formaldehyde because its dipole moments cancel each other out due to the symmetry of the molecule. In phosgene, the dipole moments of the C=O bonds are in opposite directions, resulting in a net dipole moment close to zero. In contrast, formaldehyde has a larger dipole moment because the oxygen atom exerts a greater pull on the electrons in the C=O bond, creating a larger net dipole moment.
The resultant dipole moment of nitrosyl fluoride (NOF) is larger than nitryl fluoride (NO2F) because in NOF, the N-O bond is polarized due to the higher electronegativity of nitrogen compared to oxygen. This causes a larger separation of charges and a larger dipole moment. In contrast, in NO2F, the dipole moments of the N-O and O-F bonds partially cancel each other out, resulting in a smaller overall dipole moment.
The dipole moment of a molecule is determined by the difference in electronegativity between the atoms in the molecule. Fluorine is more electronegative than chlorine. Thus, o-fluorophenol, with a highly electronegative fluorine atom, will have a larger dipole moment compared to o-chlorophenol, which has a less electronegative chlorine atom.
NH3 is an asymmetrical compound.So it is exhibits.
The dipole moment of CH2Cl2 is 1.60 Debye.
The dipole moment of dichloromethane is 1.60 Debye.
The unit for dipole moment is represented in Debye (D). The symbol for dipole moment is "μ" (mu).
The pair of bonded atoms with the largest dipole moment is the one with the largest difference in electronegativity. This means that atoms with very different electronegativities, such as a bond between hydrogen and fluorine, will have a larger dipole moment compared to bonds with smaller electronegativity differences.
The dipole moment of nitrous oxide (N2O) is approximately 0.36 Debye.
No, AsO43- does not have a dipole moment because it is a symmetrical molecule with a trigonal pyramidal shape and has no net dipole moment due to the arrangement of its atoms.
NH3 is polar compound.So dipole moment is not zero.
C2H5-CN ethyl cyanide has high dipole moment while C2H5-NC molecule is not possible due to incomplete valency of carbon atom.