How many s-sp2 bonds are there in the following substance? Select one: O 2 O 12 O 4 O 3 O 5

Q: How many s-sp³ bonds are there in the following substance? 16 O 12 08 13 03

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Q: Which is predicted to have the shorter sulfur–oxygen bonds, SO3 or SO32- ?

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Q: Draw a single resonance hybrid structure for SiO32-

A: Movements of electrons are only possible when there are lone pair of electrons or pi-bonds and the…

Q: Formic acid (HCOOH; structural formula shown below) is secreted by certain species of ants when they…

A: Covalent bond is formed by the sharing of electrons between two elements. This bond can be single…

Q: Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC≡CH (g) +…

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Q: How many electron groups are there around the central atom of PF5? 2 4 3

A: We are to find how many electron groups present around central atom (P) in PF5

Q: Which is predicted to have the shorter sulfur–oxygen bonds, SO3 or SO32 - ?

A: The shorter bond has to be identified.

Q: How many bonds form between the two F atoms in F2? O 2

A: number of bonds formed between two atoms in diatomic molecule is known as bond order.

Q: Phosphorus pentachloride, a key industrial compound with annual world production of about 2 x 107…

A: The reaction of PCl5 with SO2: PCl5(g)+SO2(g)→POCl3(g)+SOCl2(g)

Q: Discuss how the bond order and # of unpaired electrons change when an eletron is added O2- and an…

A: The change in bond order and number of unpair electron on adding an electron to O2- and ionizing an…

Q: Selenium tetrafluoride, SeF₄, is a colorless liquid that is used as a fluorinating reagent in…

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Q: Is SiO32- polar or nonpolar?

A: In the case of the sulfite ion, the three oxygens would be at the base of the pyramid and would have…

Q: Selenium tetrafluoride is produced from a reaction of elemental Se with chlorine trifluoride…

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Q: Answer the questions in the table below about the shape of the phosphorus trifluoride (PF3)…

A: The molecule given is phosphorous trifluoride, PF3

Q: On the basis of your knowledge of bonding in liquids and solids, which of the following has the…

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Q: Ammonium chloride, NH4Cl, is a very soluble salt in water.Is there an N—Cl bond in solid ammonium…

A: Given, Ammonium chloride, NH4Cl, is a very soluble salt in water

Q: How many sp2-sp3 bonds are there in the following substance?

A: Carbon can form sp, sp2 and sp3 hybridisation  If C-C single bond is present then it is sp3…

Q: The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water:…

A: We have OF2(g) + H2O(g) → O2(g) + 2HF(g) ΔE°rxn = –318 kJ

Q: Which is formed from ionic bonding? NH3  Na2O C2N2

A: NH3 is a covalent compound formed between sharing of electrons b/w N and H atom. Na2O is an ionic…

Q: How many non-bonding pairs of electrons does SO42- have? O 7 O 4 O 3 O 5

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Q: Which of the following contains the most ionic bond?     BrI     Cl2     CsF     NO     S8

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Q: Which of the following bonds is most polar: S¬Cl, S¬Br, Se¬Cl,or Se¬Br?

A: Bonds will be more polar if the electronegativity difference between the atoms is large.

Q: Draw the Lewis Structure of PF5 (OR P F5). How many electron pairs (not total electrons) surround…

A: Total no of valence electron of p = 5 Electron coming from 5 fluorine atom =5(one for each fluorine…

Q: atoms and has a formal charge of +1, what group must the element be in?  I know that group 3A atoms…

A: Formal charge is assigned to the atom in molecule when atom shared electron to the other atom.

Q: If a C-O bond length is 1.66 pm and a C=O bond length is 1.52 pm, how long would the carbon oxygen…

A: Given that, the C-O bond length is 1.66 pm. And, the C=O bond length is 1.52 pm. We have to…

Q: Which of the following compounds does not contain ionic bonding? O BeC12 O A1203 F2 O Na20

A: Covalent bonds are formed by sharing of electrons between atoms. We have given four compounds and we…

Q: What's the molecular shape of CO2? What's the electron geometry of the cation ClF2+? what's the…

A: The molecules given are CO2, ClF2+ and SF4.

Q: a. Determine the best Lewis structure representation for S2N2. Include the formal charges on each…

A: Since there are multiple sub parts in this question and it is not mentioned that which one has to be…

Q: Based on the bond energies for the reaction below, what is the enthalpy of the reaction? HC=CH (g) +…

A: The bond energy is used to describes how much energy is needed to break or form a bond of a molecule…

Q: How many double bonds are present in Yellow No. 6? (Include the S=O double bonds).

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Q: Answer the questions in the table below about the shape of the trichlorostannanide (SnCl2) anion.…

A: It is based on the concept of VSEPR theory . Here we are required to find the shape of the molecule…

Q: Draw the Lewis structure for the nitrite ion, NO₂. Which of the following has the same number of…

A: The objective of the question is to draw the Lewis structure for the nitrite ion.

Q: Draw Lewis structures for ozone and dioxygen. Using the data given below, qualitatively compare the…

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Q: Use average bond enthalpy values to calculate ΔrH for the following reaction: 2NH3 + 3Cl2 → N2 +…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: Draw a Lewis structure for PF3 and CO2 and give the name of their electron geometry and molecular…

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Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.