What is the process of instrumentation in Potentiometry as well as in polarography? Include the common features of the instrument

Q: Is there anything wrong with this Lewis Structur? If no, explain why not. If yes, explain why it is…

A: Lewis’s structure:Lewis’s bonding theory is based on the octet rule. The Lewis structure is a…

Q: Which of the following is the ground-state electron configuration of Pb? O [Xe]6s25d16p2 O…

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Q: How do call the measurement of optical activity and the change in polarization orientation. O…

A: The measurement of optical activity and the change in polarization orientation is called by what has…

Q: What is the molecular and electron geomtry of SF6?

A: The structure of the molecules in terms of the valence electrons present in the valence shell of…

Q: Determine the spatial structure of ClO2F3, IoF5, XeO3, XeO3F2 using VsEPR method.

A: We will calculate first hybridisation and they draw the structure.

Q: Separate a mixture of Vitamin D and Vitamin B2 (riboflavin) by paper chromatography. The stationary…

A: Paper chromatography: Paper chromatography is a type of partition chromatography in which sample is…

Q: Which of the following molecules/ions has the greatest number of different classes of mirror plane…

A: Plane of symmetry is a 2-D plane which bisects the molecule into two equal halves which are mirror…

Q: Why are the observed configurations of, for example, trigonal bipyramidal structures  sometimes…

A: The bond pairs and lone pairs of electrons around the central atom of a molecule are arranged as far…

Q: Which of the following represents the HOMO in carbon monoxide (CO)? Why is the answer sigma star…

A: Draw the molecular orbital diagram of CO and fill electrons    The HOMO - highest occupied molecular…

Q: What is the point group of SbF, ? C1 O C3h C3 O C3v

A: The given molecule is SbF3.

Q: :D: D: D :D

A: Answer: This molecule is suppose to have octahedral structure which is symmetrical but due to…

Q: QI1: Compare between MLs octahedral fragment and ML1 square planar fragment using molecular orbitals…

A: compare between ML 5  octahedral fragment and ML3 square plane dragment -octahedral fragment of…

Q: %3D PH%3D4 OH = Busic orlacidic ? %3D

A: If pH = 4, pH  =   -log[H+] 4 =  -log[H+]  [H+]   =  1.0 × 10-4 M

Q: Discuss the bonding between two hydrogen atoms on the basis of heitler and London theory, discuss…

A: The valence bond theories, originated from the ideas of the scientist G.N Lewis. The pioneers of the…

Q: 2- Explain the interactions between non-bonded atoms in molecular mechanical methods (Non-bonded…

A: Non-bonded interactions act between atoms in the same molecule and those in other molecules. Force…

Q: (a) What is the lattice vector? What is the basis? Specify using the conventional notation with b=".…

A: Introduction: Symmetrical 3D arrangements of atoms, ions, or molecules give rise to a lattice. These…

Q: For the following molecules: A. XeO2F2 (neutron diffraction experiment by Peterson, Willett and…

A: We have to explain the structure of XeO2F2.

Q: What is the difference between a molecular orbital with sp mixing and no sp mixing?

A: The phenomenon of s-p mixing occurs when molecular orbitals of the same symmetry formed from the…

Q: Define the following terms: Tyndall scattering: Polarization of Radiation:

A: We have to Define the following terms: Tyndall scattering: Polarization of Radiation

Q: Why is there PF5 but not NF5?

A: We know that,  Atomic number of phosphorus= 15 Electronic configurafion= 1s2,2s2,2p6,3s2,3p3,3d0…

Q: Photoelectron spectroscopy studies have determined the orbital energies for fluorine atoms to be 15…

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Q: For symmetric top molecules, the polarizability ellipsoid shape is similar to that of. asymmetric…

A: For symmetric top molecules, the polarizibility ellipsoid shape is similar to ?

Q: How many of the atoms in the structure shown in Figure 7 has sp² hybridisation? [The answer is a…

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Q: O.There are three different types of polarization such as Electronic Polarization, lonic…

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Q: How do call the instrument used to measurfe the optical rotation in a molecule through change in…

A: Question 3  Correct Option : Polarimeter   Polarimeter is the instrument used to measure the optical…

Q: What is L(z)(hat) in spherical polars?

A: Lz→ refers to the angular momentum in z direction.

Q: Obtain the relation between the polarizability and the distance between the two atoms for a two…

A: Given answer of choices,

Q: ography - fa) Define polarography. Br efly explain different types of mass transport process and the…

A: The method of Polarography is used extensively to determine thr trace metals in the pharmaceutical…

Q: Which of the following molecules have a permanent electric dipole moment? Choose all that apply.…

A: If molecule having change in dipole moment is not equal to zero then having permanent dipole moment.

Q: Complete the table. Then identify where each type of dipole can be observed and its importance.…

A: A question based on molecules that is to be accomplished.

Q: Is the molecule KrF2 non-polar or polar?

A:

Q: One important function of atomic and ionic radius is in regulating the uptake of oxygen by…

A: Haemoglobin is composed of the iron metal in the centre which is associated with heme groups.  The…

Q: calculate the spin-only moment of these compplexes

A: Magnetic moment in a molecule is calculated using two contribution. One is spin contribution and…

Q: Cu+ is paramagnetic. True or false?

A: Paramagnetic  Presence of unpaired d electrons and attracted towards magnetic field

Q: what is the molecular geometery of CF4

A: Molecular Geometry -  It is the arrangement of atoms in the three dimensional space.

Q: What is the most applicable field of potentiometry, coulometry, electrogravimetry. polarography…

A: A question based on introduction to Chemistry that is to be accomplished.

Q: Eu2 and Yb?* are relatively stable due to the preferential stability for half- filled and…

A: The electronic configuration of Eu2+ is [Xe]4f7 (Half filled f-orbital) The electronic configuration…

Q: What is the planar density in atoms/nm2 in plane (200)? Plane (200)

A: The correct option is C : 12.19 atoms/nm2

Q: What is the effect of o, on the x, y, z axes of the 4 atoms in BF;? A. -4 В. -2 С. О D. 2 Е. 4

A: Here we are required to find the effect of symmetry operation σV on the x,y,z axes of 4 atoms in BF3

Q: Give at least three uses of Polarography.

A: Please find your solution below : Polarography is a method of qualitative or quantitative analysis…

Q: A high-level molecular electronic structure calculation predicts oxygen valence molecular orbitals…

A: Binding energies for oxygen = 0.5389, 0.60354 and 0.7171 hartree λ = 58.96 nm = 58.96 x 10-9 m 1…

Q: What dominant polarization mechanisms do you expect in oxygen (O2), hydrogen fluoride (HF) and…

A: Oxygen and methane are nonpolar molecule.  Thus for there , there polarization mechanism is based on…

Q: 12. In which of the following molecules or ions do all of the F atoms lie in the same plane?  Select…

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Q: Given the structural formula for NH3 determine if the molecule is polar or nonpolar and give an…

A: The symmetrical molecules are non-polar in nature whereas the asymmetrical molecules are polar in…

Q: Differentiate between Uni-molecular and Bi-molecular?

A: There are 2 mechanisms of reactions – Unimolecular and Bimolecular

Q: Write a complete ionic and net ionic reaction for the balance equation in part a

A: The balanced molecular reaction taking place is  CaI2  (aq) + Na2C2O4 (aq)  -----> CaC2O4 (s) + 2…

Q: is there a diffrence between the formula H3C and CH3

A: The two formulas given are H3C and CH3.

Q: Chemistry Use the concepts of isoenergetic electron transfer, Franck- Condon principal and…

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