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Is water a dipole-dipole molecule?
Yes, water is a dipole-dipole molecule because it has a polar covalent bond between the oxygen and hydrogen atoms, creating a partial positive and partial negative charge within the molecule.
Which molecule have permanent dipole moment?
Water (H2O) and ammonia (NH3) are examples of molecules that have a permanent dipole moment due to their asymmetrical molecular geometry. This means they have a positive end and a negative end, leading to an overall dipole moment.
Describe a molecular dipole?
A molecular dipole occurs when there is an uneven distribution of electron density within a molecule, leading to a separation of positive and negative charges. This results in a measurable electric field within the molecule. Water (H2O) is an example of a molecule with a permanent dipole due to its polar nature.
Explain how a water molecule can be attracted to both a positive ion and a negative ion when dissolving an ionic compound?
In the case of dissolving an ionic compound, the positive ion (cation) attracts the partially negative oxygen atom of the water molecule due to its charge, forming a hydrogen bond. Similarly, the negative ion (anion) attracts the partially positive hydrogen atoms of the water molecule, also forming a hydrogen bond. This attraction between water molecules and ions helps to break apart the ionic lattice structure and allows the compound to dissolve in water.
What examples of dipole induced dipole forces?
An example of dipole-induced dipole forces is the interaction between a polar molecule, such as water, and a nonpolar molecule, such as nitrogen. The polar molecule induces a temporary dipole in the nonpolar molecule, creating an attractive force between the two molecules. This type of interaction helps explain why some substances can dissolve in water even if they are nonpolar.
