6 Answers
The charge associated with each side of an HF molecule is 6.93Ă—10â»Â˛â°C. The charge on a single electron is 1.60 x 10â»ÂąâąC. How do you find percent ionic character, and what does the value mean?43.3%If the HF molecule were 100% ionic, the F side would have a charge of â’1, whereas the H side would have a charge of +1. Instead, the F side has a partial charge of â’ 0.433, whereas the H side has a partial charge of +0.433.
Further ExplanationThe dipole moment value of a polar compound can be used to estimate the magnitude of the ionic character of the compound. In the HF molecule if the bond is considered to be 100% ionic, the charge on the H + ion and the F- ion is 1.6 x 10-19 C. and the value of the dipole moment becomes like:ionic = q x d= 1.60 x 10-19 C x 91.7 x 10-12= 1, 467 x 10 -29 C.m= 4.40 DIon character == x 100% = 40.05%so is the HF dipole moment based on the data above the HF ionic character is 40.05%Learn MoreHF ionic : DetailsClass: collegeSubject: biologyKeywords : HF, ionic, dipole, moment.
HCl is a polar molecule with the hydrogen part being partial positive while the chlorine end being partial negative. This is because hydrogen has an electronegativity of 2.1, and chlorine has an electronegativity of 3.0. This means that chlorine attracted most of the electron cloud of molecule hence is the negative dipole, The dipole moment of HCl is 1.08 D (debyes). A Debye is equal to 3.34 x 10-30 coulomb-meters (C-m). The charge of each molecule is o.176+ for H and 0.176- for the Cl
Hydrogen will develop a charge and chlorine will acquire a charge.Further Explanation:Covalent Bond:The bond that is formed by the mutual sharing of electrons between the bonded atoms is called a covalent bond. It is also known as a molecular bond. Covalent compounds are those compounds which are formed by the electron sharing between two or more non-metals.Following are some of the properties of covalent compounds:1. These are brittle solids.2. Low melting and boiling points.3. Poor conductors of heat and electricity.4. Low enthalpy of fusion.Boron trichloride , silicon dioxide , and xenon hexafluoride are some examples of covalent compounds.Both hydrogen and chlorine are non-metals and the bond formed between two non-metals is a covalent bond. So HCl is a covalent compound. Chlorine has 7 electrons in its valence shell and hydrogen has only one electron. Both share electrons in order to achieve the nearest stable electronic configuration of the noble gas. (Refer to the attached image)Chlorine is more electronegative than hydrogen so it will attract electrons towards itself and thereby developing a negative charge, which in turn results in hydrogen having a positive charge. So chlorine end of HCl molecule is negatively charged while its hydrogen end is positively charged.Learn more:1. Identification of ionic bonding: 2. Which is a covalent compound? Answer details:Grade: High SchoolSubject: ChemistryChapter: Ionic and covalent compoundsKeywords: covalent compounds. chlorine, hydrogen, sodium, copper, zinc, metal, non-metal, cation, anion, mutual sharing, molecular bond, hydrogen, chlorine, HCl, brittle, enthalpy of fusion, heat, electricity, conductors, boiling points, positively charged, negatively charged.
The answer is:1. The charge on H is partially positive and also the charge on I is partial negative = δ+H−Iδ−2. ionic character = [1- e∧-(0.25)(x)²] × 100X= XA - XBXA = higher electronegativityXB = lower electronegativityX = 2.66 - 2.2X = 0.46now we are going to determine the ionic character.ionic character = [1- e∧-(0.25)(x)²] × 100ionic character = [1- e∧-(0.25)(0.46)²] × 100ionic character = [1- e∧-(0.25)(0.2116)] × 100ionic character = [1- e∧-(0.0529)] × 100ionic character = [1- 0.9485)] × 100ionic character = 0.0515 × 100ionic character = 5.15%Further ExplanationThe formal charge (or also called an official charge) is a calculation that can be used on Lewis structures to determine the charge of the atoms that form either ionic or covalent bonds. The formal charge is the number of valence electrons in the free atom minus the number of electrons owned by the atom in the Lewis structure. To determine the number of electron electrons in a Lewis structure, the following rules can be used:All nonbonding electrons in an atom are represented by the atomDivides the bond between the atom and the other atom and states that half of the bonding electron belongs to the atomFormal charges can be used in determining the stable structure of a bond. If several possible Lewis structures can be made, then the structure with the smallest and most stable formal charge is chosen.In ionic bonds, there is an electron transfer from one atom to another. Because of the transfer of electrons, some atoms are found to have negatively charged electrons, while atoms that lose electrons will be positively charged. If an atom is added to an electron, then the atom becomes a negative ion or known as an anion. Meanwhile, if the atom loses electrons, then the atom becomes a positive ion or cation. Due to differences in charge between ions (positive ions and negative ions), the positive and negative ions will be attracted to each other by electrostatic forces. This event is the basis of ionic bonds.A covalent bond is a kind of chemical bond that has the characteristics of a pair of electrons which are divided (sharing with electrons) between the atoms that bind. In short, the stability of attraction and repulsion that forms between atoms when sharing with electrons is known as covalent bonds.Learn moredefinition of The formal charge definition of ionic bonds definition of A covalent bond DetailsGrade: High SchoolSubject: Chemistrykeywords: The formal charge
The charge on H is partial positive and the charge on I is partial negative.δ+H−Iδ−The percent ionic character is 5.15 %. Explanation:The ionic compound is formed by the complete transfer of electron from one atom to another. The one atom thus carry the positive charge while the other which accept the electron became negative. like in case of NaCl .This have 100% ionic character.In covalent bond, the bond is formed by the sharing of electron between two atoms. The one atom which greatly pull the electrons towards itself is became partial negative while the other became partial positive atom. In this way electronegativity difference is created. For example in HI bond hydrogen is partial positive and have 2.2 electronegativity while the electronegativity of iodine is 2.66.Percent ionic character:Formula:%ionic character = [1- e∧-(0.25)(x)²] × 100X= XA - XBXA = higher electronegativityXB = lower electronegativityX = 2.66 - 2.2X = 0.46now we will determine the %ionic character.%ionic character = [1- e∧-(0.25)(x)²] × 100%ionic character = [1- e∧-(0.25)(0.46)²] × 100%ionic character = [1- e∧-(0.25)(0.2116)] × 100%ionic character = [1- e∧-(0.0529)] × 100%ionic character = [1- 0.9485)] × 100%ionic character = 0.0515 × 100%ionic character = 5.15%
Want to answer this question?
Join our community to share your knowledge!