Infrared light has what effect on molecules? O IR makes linear molecules spin in the same direction. IR is converted to energy used to make bonds between atoms vibrate, stretch, and bend. IR measures rates of rotation ('spin') of bonds O IR makes atomic nuclei spin in the same direction.

Q: Part A What is the ground-state electron configuration for Co²+ (Z=27)? O [Ar]3d7 O [Ar]4s²3d5 O…

A: Electrons are filled in a different atomic orbital in an atom. According to the Aufbau rule, the…

Q: Which element is associated with each of the ground state electron configurations listed below? a.…

A:

Q: Calculate the wavelengths of photons absorbed in molecules with 5, 7,9, and 11 double bonds (DB)…

A:

Q: Identify all the possible elements that have the following valence electronic configuration.   a)…

A:

Q: Which of the following electron configurations is incorrect? A) Ca [Ar]4s² B) Mn [Ar]4s²4d⁵ C) Cu…

A: Electronic configuration is the arrangement of electrons in the shell, orbitals and sub-orbitals.

Q: Please write the electron configurations and determine the number of unpaired electrons for the…

A: electron configuration of Cu2+ is: 1s2 2s2 2p6 3s2 3p6 3d9. 1 is unpaired electron

Q: Covalent bonds in a molecule absorb radiation in the IR region and vibrate at characteristic…

A: The frequency ν of a radiation at a particular wavelength λ is given as follows:…

Q: Describe the essential features in the infrared spectrum for this compound

A: The infrared spectroscopy helps us to find the functional group present in the organic compound.

Q: Atoms are usually portrayed as spheres when most orbitals are not spherically shaped, because the…

A: Answer

Q: :D: D: D :D

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

Q: 7. What is Polarography? Which equation is used in Polarography? Draw a typical d.m.e.

A: Polarography is a type of voltammetry in which the working electrode is either a dropping mercury…

Q: What property of a chemical bond gives rise to the infrared spectrum of a compound?

A: Given Chemical bond To find  The property of a chemical bond that gives rise to IR spectrum

Q: According to Beer-Lambert's Law, which of the following does the absorbance NOT depend on? A.)…

A: Absorbance means light of particular wavelength is absorbed by the solution and light that passes…

Q: Choose the ground state electron configuration for Cr³+. O [Ar]4s23d6 O [Ar]4s23d¹ O [Ar]3d3 O [Ar]…

A: Here first we will write electronic configuration of Cr . In this electronic configuration instead…

Q: Which of the following are correct electron configuration(s) for Cr? O (Ar]3d*4s? O (Ar]3d54s1 O…

A: Electronic configuration is the arrangement of electrons in the atomic orbitals

Q: Write the electron configuration for FI(atom in number 114). How many valance electron does it have?

A: Number of Valence electrons: number of electrons in the outermost shell.

Q: For which of his many accomplishments was Linus Pauling awarded the Nobel Prize in chemistry?

A: Solution-accomplishments was Linus Pauling awarded the Nobel Prize in chemistry in 1954

Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Each node of rank r is the root of at least 2r subtrees.

Q: O Ash particles in the air block sunlight. O Solar radiation is reflected into space. O Increased…

A: Option C is Correct. Greenhouse gases (carbon dioxide, methane, water vapor, etc.) are transparent…

Q: Which bonds can be excited at longer wavelengths?

A: Strong bonds means required more energy to break the bond.  The relationship between energy (E) and…

Q: How many 3d electrons are in Fe?

A: Electronic configuration of 26Fe : Total electrons in a Fe atom = 26 [Ar] 3d6 4s2  Number of 3d…

Q: 3. How many unpaired electrons doe the ion N† have? Is your result consistent with the fact that N…

A: We can determine the number of unpaired electrons from the molecular orbital diagram of N2 +. From…

Q: Which one of these ions does not have [Xe] as its electronic configuration? Select one: a. I 2- b.…

A: Given elements:

Q: II energía

A: MO diagrams are  qualitative descriptive tools which explain bonding in molecules in terms of MO…

Q: 5.Can you force the atoms into new configurations by pushing atoms around? What does this suggest…

A: Atoms combine together to form molecules.

Q: Identify the orbital     pz orbital      dxy orbital     px orbital      dyz orbital     py…

A: The solution is as follows :

Q: 10. There are three fundamental rules that we use in writing electronic configurations for atoms and…

A:

Q: ns and the valence shell. Explain why these act differently? P leus and inner-most electron shell.…

A: Ozone is extremely valuable since it absorbs a range of ultraviolet energy. When an ozone molecule…

Q: Describe the atomic orbital shown in this picture. +z +y +X A) 2dxy B) 3dyz C) 3dxy D) 3dx?-y? E)…

A: An orbital is a three-dimensional space around the nucleus of an atom with a high probability of…

Q: The naphthalene molecule has a structure that corre- sponds to two benzene molecules fused together:…

A: UV-visible spectra have a wavelength of benzene at a value of 255nm and for naphthalene, the only…

Q: A bond vibration has a frequency of 8.52x1013 Hz. a. What is the energy associated with this…

A:

Q: H3PO4 (K, = 7.5x1o-3) %3D HC2H3O2 (K, = 1.8x10-5) %3D

A: Acidic strength is depend on tendency to lose hydrogen ion. As higher the value of Ka, stronger is…

Q: As a chemist, your role is to interpret the structures from quantum chemical calculations based on…

A: Thus, compounds with an O—O bond length of ≈1.4–1.5 Å and νOO between ≈800 and 930 cm−1 are…

Q: 0²- As3 Be Sc Sr

A: Electronic configuration : The distribution of electrons of an atom or ion in atomic orbitals is…

Q: Which type of Quantum Transition takes place in Ultraviolet and Visible spectroscopy? A. Electronic…

A:

Q: Calculate the wavelength of photons absorbed in molecules with 5, 7, 9, and 11 double bonds (DB)…

A: Wavelength of photons absorbed in a molecule containing n no of double bond or we can say that…

Q: d. 180*

A: There are two directions that electrons point around a central atom the angle is 180 degrees .…

Q: The electronic configuration for Fe* ion is: Select one: a. [Ar] 3s²3d³ b. [Ar] 3d c. [Ar] 3d5 d.…

A: The electronic configuration is written by filling the orbitals in increasing order of their…

Q: Which is the correct orbital diagram for bromide ion? 国 N NNN NNNNN 11 1s 2s 2p 3s Зр 4p 3d 4p 41 41…

A: A

Q: What is the electron configuration of Lead? A) [Xe] 6s26f146d106p2 B) [Rn] 6s24f145d106p2 C) [Xe]…

A: The correct option for the electron configuration of Lead is to be selected-A) [Xe] 6s26f146d106p2…

Q: When light passes through a compound some wavelengths are absorbed because their energy is used to…

A: Given TransitionsEnergy order of transitionsσ →σ*  >  π → π*  > n → π*

Q: 6 Select the correct electron configuration for Cu. Group of answer choices [Ar]4s23d9…

A: The Cu is a d-block element and its atomic number is 29. The numbers of protons in Cu atom = 29 The…

Q: Explain the Number of π Electrons That Satisfy Hückel's Rule ?

A: Explain the Number of π Electrons That Satisfy Hückel's Rule

Q: What is the most probable position of a 1s electron in Li2+?

A: The most probable distance is the distance where the electron is highest probable. It is the radius…

Q: Question 7 The rotation of an ¹H1271 molecule can be pictured as the orbital motion of an H atom at…

A:

Q: Which one of these ions does not have [Xe] as its electronic configuration? Select one: a. Cs 2+ b.…

A: Xenon (Xe) is a inert gas element that reside in group-18 of the modern periodic table.

Q: Identify the orbital. O dxy orbital O dyz orbital O px orbital O Pz orbital O py orbital x

A: Types of orbitals, 1) s orbital  -  spherical shape  2) p orbital - dumb bell shape   • Px orbital…

Q: What is meant by the VSEPR theory ? Multiple choice in image

A: VSEPR - Valance shell electron pair repulsion theory. This theory help in determining the geometry…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.