Q: How many double bonds are there in the polyatomic ion acetate, C2H3O2- ?
A: We have to tell no. Of double bonds are there in the polyatomic ion acetate, C2H3O2-
Q: Explain the formula: Ccal ΔTcal + mCpΔTwater + qrxn = 0
A:
Q: Which of the molecules are linear? O XeF, BeCl, SF, O NO,
A: Linear structure defines the molecular geometry where constitutent atoms are on 180° .
Q: 5. Which of the following bonding units has the largest dipole moment? А. С-О В. С-О С. С-С D. C=N…
A: Dipole moment directly depends upon the distance between atoms and overall charge difference,not…
Q: Would you expect the nonbonding electron-pair domain in NH3 to be greater or less in size than for…
A: Phosphorous atom has bigger size than Nitrogen atom. The nonbonding electron-pair domain in NH3 to…
Q: Which of the following molecules is polar as a whole? Oa. Co2 Ob. H20 O C. CHA d. CClA
A:
Q: Which of the following molecules do you exrpect to be polar? You may need to draw the molecular…
A: Molecule whose dipole moment not equal to zero is polar and molecule which dipole moment equal to…
Q: Do the molecules below have a permanent electric dipole moment? CI a) :N N: H-CI
A: This question is related to the electric dipole moment, defined as a measure of the separation of…
Q: Are the following molecules polar or nonpolar? 1. CCl2F2 2. PCl3
A:
Q: how many sigma bonds are in CH3CH2CH2SH?
A: Sigma bonds are the strongest type of covalent chemical bond they are formed by head -on overlapping…
Q: Which of the following will require the greatest energy to separate the ions? MgI2 MgBr2 MgF2…
A: The compounds given are MgI2, MgF2, MgBr2 and NaCl.
Q: For molecules of general formula AXₙ(where n>2), how do you determine if a molecule is polar?
A: INTRODUCTION: For polar molecules,they must be asymmetric and have some electronegativity difference…
Q: Which of the molecules are linear? SF, NO, BeCl, XeF,
A: Which of the molecules are linear ---
Q: How many electron domains do C4H10 have?
A: The general formula for alkanes is Cn H2n+2. C4H10 is a saturated hydrocarbon and falls under the…
Q: of the following which have permanent dipole moment? (yes or no) SeCl6 HCO2- AlH3 HOCl
A: SeCl6 The Se-Cl bond is polar but since the molecule has a perfect octahedral geometry. So, the…
Q: Consider cyclooctatetraene,C8H8, which has the octagonal structure shown belowWhat experiments or…
A: Cyclooctatetraene as seen from the structure has alternate double and single bonds. However the…
Q: Dichlorobenzene, C6H4Cl2, exists in three forms (isomers) called ortho, meta, and para: Which of…
A: To find: The dichlorobenzene which has non zero dipole moment
Q: According to the VSEPR model, the arrangmenet of electron pairs around NH3 and CH4 is? 1) different…
A: The molecules given are NH3 and CH4.
Q: Is dichloromethane (CH2Cl2) polar or non-polar? Explain.
A: The bonds in CH2Cl2 are polar due to electronegativity difference between C and H and C and Cl. The…
Q: Is I2C2 polar or nonpolar
A: The compound given is I2C2 Since the electronegativity of C is less than I.
Q: Predict whether each of the following molecules is polaror nonpolar: (a) CCl4, (b) NH3, (c) SF4, (d)…
A: (a)Given, CCl4: Polarity of a molecule depends upon the net dipole moment of the molecule. If the…
Q: H || H2N-C-C-OH | H What is the total number of r bonds in the molecule? A) 0 B) 1/2
A: Applying basics of sigma bond and pi bond.
Q: The molecule XCl2 has a dipole moment. Is X beryllium or sulfur?
A: The dipole moment is equal to the product of charge and distance between them. If the molecule is…
Q: Are these molecules polar or non-polar and why?
A: Since the question contains multiple subparts, by default we can answer first three of them. Please…
Q: Is the CF4 molecule polar or nonpolar ?
A: A chemical compound consists of two or more different elements which are bonded with each other…
Q: . (4) Which of the following molecules is/are non-polar (i.e. which does NOT have a dipole)? I.…
A: Only SiF4 is non- polar Molecule. Only IV
Q: The Cl-Ge-O bond angle in the GeCl20 molecule is approximately
A: we have to say bond angle of Cl-Ge-O in GeCl2O.
Q: For the molecule ClF3, do the lone pairs occupy axial or equatorial positions?
A: In the molecule we have Cl as centre atom Cl with 7 valence electrons Since Cl is making 3 sigma…
Q: Which molecule is polar? O A. PH3 O B. CCI4 OC. CS2 O D. PFs
A: The polar molecules are those that have a permanent dipole moment. This dipole arrises due to the…
Q: Which of the following compounds has higher dipole moment (CO, & OSIS), why?
A: It is a vector quantity which has magnitude as well as direction. Dipole moment is the property to…
Q: Consider BF3, SO3, and XeO3. Which of these molecules is considered to be polar?
A: Formula for determining the hybridization of central atom :- x= (V+M-C+A)/2 V = valence electrons…
Q: Given that the F-CI-F bond angles in CIF3 are 180° and 90°, predict the geometry of the molecule.
A: Formula for determining the hybridization of central atom :- x= (V+M-C+A)/2 V = valence electrons…
Q: How many electron domains do C2H3Br3 have?
A: Since in the C2H3Br3 we have 7 sigma bonds ( 3 between C-H, 3 between C-Br and 1 between C-C ) hence…
Q: Use the thermochemical expression PCl3(g) + Cl2(g) ——-> PCl5(g) delta r G° = -37.2 kJ/mol…
A: Consider the given information is as follows; PCl3(g) + Cl2(g) → PCl5(g)…
Q: Is the molecule XeF2 polar or nonpolar?
A: Polar molecule : It has a net dipole moment. Non-polar compound : It has no net dipole moment.
Q: The electron domain geometry of the H20 molecule is and this molecule is
A: The geometry of a molecule is the arrangement of lone pair + bond pair around the central atom.…
Q: . Give the electron-domain and molecular geometries for the following molecules and ions: (a) HCN,…
A: Explanation given as follows
Q: Do the molecules below have a permanent electric dipole moment?
A: Different atoms having different electronegativities account for an electronegativity difference…
Q: H2CCCHCHCH2 Is this molecule planar or non planar?
A:
Q: Which of the molecules are linear? XeF, BeCl, SF, NO, Incorrect
A: The correct options are:
Q: Is a CIF3 molecule polar or nonpolar?
A: The molecular geometry of ClF3 is T-shape and has asymmetric charge distribution around the central…
Q: Does the AlCl3 molecule have a dipole moment?
A: To decide the net dipole moment we have to know the shape of the molecule as know dipole moment is a…
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- At large interatomic separations, an alkali halide molecule MX has a lower energy as two neutral atoms, M+X ; at short separations, the ionic form (M+)(X) has a lower energy. At a certain distance, Rc , the energies of the two forms become equal, and it is near this distance that the electron will jump from the metal to the halogen atom during a collision. Because the forces between neutral atoms are weak at large distances, a reasonably good approximation can be made by ignoring any variation in potential V(R) for the neutral atoms between Rc and R= . For the ions in this distance range, Rc is dominated by their Coulomb attraction. (a) Express Rc for the first ionization energy of the metal M and the electron affinity of the halogen X. (b) Calculate Rc for LiF, KBr, and NaCl using data fromAppendix F.The work function (Φ) of a metal is the minimum energy needed to remove an electron from its surface. (a) Is it easier toremove an electron from a gaseous silver atom or from the sur-face of solid silver (Φ=7.59X10⁻¹⁹J; IE =731 kJ/mol)? (b) Explain the results in terms of the electron-sea model ofmetallic bonding2. Which one of each of the following pairs has the higher ionization energy? Explain in detail for each case. (a) Na or K (b) Ве or B (с) В or C (d) N or O F or Ne (f) Mg or Mg* Ne or Na
- 5.) Electron Configurations for Ions: Supply the ground state electron configurations for the following ions. You many use the short-hand notation (e.g. Na*: [He]2s 2p°). (a) N (b) Mg*. (c) O (d) Sc* (e) Sn2+ (f) Ar 6.) Formulas of Ions: Predict the formulas of the most stable ions of the following elements (a) Na (b) Mg (c) S (d) Al (e) Br (f) PFor each of the following pairs of atoms, state which youexpect to have the higher electron affinity: (a) Rb or Sr;(b) I or Rn; (c) Ba or Te; (d) Bi or CMatch each of the following with its correct answer An electron in the n= 6 level in hydrogen atom emits a photon with a wavelength of 93.8 nm. To what energy level does the electron move Choose... The formal charge on oxygen in the Lewis structure of NO+ is Choose... In the lewis structure for the CS, molecule, the number of unshared pairs of electrons on the central carbon is: Choose... The number of Tt bond (s) in the Lewis structure of NO- is Choose... The formal charge on nitrogen in the Lewis structure of NO+ is Choose...
- Based on data in Table 8.1, estimate (within 30 kJ/mol) thelattice energy for (a) LiBr, (b) CsBr, (c) CaCl2.The following figure shows the schematics of the energy and electronic distribution of the carbon monoxide molecule, while the diagrams of the positive and negative carbon monoxide ion are incomplete. What is required is to choose one or two more stable cases out of these three cases, after completing the two diagrams. CO CO 0201 ozp ₂px ₂py N 02P² N 12px N 028 N 025 2py CO b CO C Co d CO = CO 2py 02pz N 12px N 12px 025 025 zpy 2px 5/2 CO First Azpy N 02P: N 2py N 025Use the periodic table to (i) predict electron configurations for the following species: Arsenic ion, As3– Magnesium ion, Mg2+ Vanadium(II) ion, V2+ (ii) Write the electron configurations of each species in the noble gas notation. (iii) Draw an orbital diagram to represent 1 c above. Draw the Lewis electron dot structures of the following chemical species. In each case you must say whether or not the central atom obeys the Octet Rule. CS2 and H2S CF4 and SiH4 NH2Cl CO32– and BF3 PCl5 ClF3, XeF2, Calculate the formal charge on the Sulphur atom in the Sulphate anion structure shown below(picture attatched) Give the electron-pair and molecular geometries for NF3 and XeF4.
- Match each of the following with its correct answer An electron in the n= 6 level in hydrogen atom emits a photon with a wavelength of 93.8 nm. To what energy level does the electron move Choose... Choose... The formal charge on nitrogen in the Lewis structure of NO+ is 1 -1 2 In the lewis structure for the CS, molecule, the number of unshared pairs of electrons on the central carbon is: Choose... The number of Tt bond (s) in the Lewis structure of NO- is Choose... v The formal charge on oxygen in the Lewis structure of NO+ is Choose... vWhat has the highest number valence electrons: N, Ca, O, As, or I?Write electron configurations for the following ions, anddetermine which have noble-gas configurations: (a) Cd2+,(b) P3-, (c) Zr4+, (d) Ru3+, (e) As3-, (f) Ag+.
