Answer:
B. Electrical charges of polar covalent bonds
Explanation:
Lewis structures, also known as Lewis dot diagrams are diagrams that show the bonding between atoms of a molecule and lone pairs of an electron that may exist in the molecule.
Polar covalent bonds are bonds that occur where a pair of electrons is shared unevenly between two atoms
The Lewis notation as an agreed convection, uses the delta sign to indicate polar covalent bonds when they occur in compounds. It shows that the electrons are shared unevenly.
Consider the example attached below. The Lewis structure for HF is given. the δ+ is used to show the electropositive Hydrogen atom while the δ- is used to show the electronegative Fluorine atom in the bond.
Type of intermolecular forces are expected between 3-bromopyridine molecules dipole induced dipole force.
Intermolecular pressure is the pressure among molecules it includes the forces of appeal and repulsion. however the intermolecular forces are weaker than intramolecular pressure, has London dispersion pressure.
Dipole precipitated Dipole Forces A dipole-brought on dipole enchantment is a weak enchantment that results while a polar molecule induces a dipole in an atom or in a non polar molecule by traumatic the arrangement of electrons inside the non polar species.
It is a dipole as the hydrogens have a partial superb fee and the oxygen has a partial negative charge. An precipitated dipole is the end result of molecules interacting and causing one of the molecules electrons to have this distorted rate.
Learn more about induced dipole here:- brainly.com/question/22973877
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Explanation:
It is known that,
Molar mass of Cd = 112.41 g/mol
Standard concentration of Cd = 0.005 mg/L = 
g/L
Hence, we will calculate the molarity as follows.
Molarity = 
= 
M
Equation for the reaction is as follows.
![K_{sp} = [Cd^{2+}][OH^{-}]^{2}]](https://tex.z-dn.net/?f=K_%7Bsp%7D%20%3D%20%5BCd%5E%7B2%2B%7D%5D%5BOH%5E%7B-%7D%5D%5E%7B2%7D%5D)
![2 \times 10^{-34} = 4.45 \times 10^{-8} \times [OH^{-}]^{2}](https://tex.z-dn.net/?f=2%20%5Ctimes%2010%5E%7B-34%7D%20%3D%204.45%20%5Ctimes%2010%5E%7B-8%7D%20%5Ctimes%20%5BOH%5E%7B-%7D%5D%5E%7B2%7D)
![[OH^{-}] = 6.7 \times 10^{-4}](https://tex.z-dn.net/?f=%5BOH%5E%7B-%7D%5D%20%3D%206.7%20%5Ctimes%2010%5E%7B-4%7D)
M
Also,
![[H^{+}] = \frac{10^{-14}}{[OH^{-}]}](https://tex.z-dn.net/?f=%5BH%5E%7B%2B%7D%5D%20%3D%20%5Cfrac%7B10%5E%7B-14%7D%7D%7B%5BOH%5E%7B-%7D%5D%7D)
= 
= 
Relation between pH and concentration of hydrogen ions is as follows.
pH = ![-log [H^{+}]](https://tex.z-dn.net/?f=-log%20%5BH%5E%7B%2B%7D%5D)
= 
= 10.82
Thus, we can conclude that a minimum pH of 10.82 is necessary to reduce the dissolved cadmium ion concentration to the standard.
