Draw the Lewis structures for the phosphorus halides PCl3  and PCl5 . Describe their VSEPR shape.

Q: Explain why nitrogen can form compounds with many different oxidation numbers.

A: The electron configuration of nitrogen (N) is [He]2s22p3. Nitrogen has half-filled p orbitals…

Q: Complete and balance the following:(a) AsCl3(l) 1 H2O(l) → (b) Sb2O3(s) + NaOH(aq) →

A: Given reactions,        (a)  AsCl3(l) + H2O(l)  →(b)  Sb2O3(s) + NaOH(aq)  →

Q: What is the Lewis structure of ArBr2?

A: Valence shell electrons are undergo to fom the Lewis structure where lone pair electrons are placed…

Q: Why does CO2 have a linear shape with no dipole moment?

A: Dipole moment measures the polarity of the molecule and it occurs when there is a separation of…

Q: to

A: The compound FeCaSi2O6 have a polymer unit called Si2O6⁴- .    This unit is called inosilicate.

Q: Oxygen forms double bonds in O2, but sulfur forms single bonds in S8. Why?

A:

Q: What type of chemical bond is present in the Cl2 molecule

A: There is covalent bond in Cl2 molecule.

Q: Determine the number of bonding electrons and the number of nonbonding electrons in the structure of…

A: The structure of silicon dioxide is drawn as,

Q: . Give the formula of the substance formed after the addition of water to sulfur dioxide.

A: The chemical formula of water is H2O and chemical formula of sulfur dioxide is SO2.

Q: HCl + Al(OH)3

A: This is an acid-base reaction  Al(OH)3 - A base HCl - an acid In this acid - base or neutralisation…

Q: How are Covalent carbides formed?

A: The formation of covalent carbides has to be given,

Q: Explain the relationship between the number ofelectrons in the halogen and the boiling point.

A: Halogens are electron rich. On moving top to bottom in the group, the number of electrons of an…

Q: How many electrons does a halogen atom need to complete its octet? Give examples of the ways a Cl…

A: The number of electrons that are needed to halogen atom to complete its octet has to be given and it…

Q: What is the oxidation number of diatomic elements? O 2 O +1

A:

Q: How would you expect the structure of the ozonide ion, O3-, to differ from that of ozone?

A: VSEPR theory or valence shell electron pair repulsion theory is a model that is used to predict the…

Q: Complete and balance the following:(a) AsCl₃(l) +H₂O(l) → (b) Sb2O₃(s) +NaOH(aq)→

A: a) The reactants are  1) AsCl₃(l) 2) H₂O(l)  Hence the reaction taking place will be double…

Q: Give the molecular shape around the boron atom in BCl 3 and the nitrogen atom in NCl 3 and explain…

A: The molecular shape around the boron atom in BCl 3 and the nitrogen atom in NCl3 has to be given,

Q: Draw the Lewis structure for the sulfur hexabromide (SBr molecule.

A:

Q: compare the reaction of barium hydroxide and sulfuric acid with the reaction of potassium hydroxide…

A: The reaction of barium hydroxide and sulfuric acid is:

Q: Draw a Lewis structure for(a) The cyclic silicate ion Si₄O₁₂⁸⁻(b) A cyclic hydrocarbon with formula…

A:

Q: Explain why CO 2 is a gas at room temperature but H 2O is a liquid

A: There are three states of matter: Solid state Liquid state Gaseous state Non-polar covalent…

Q: From the Lewis diagram of SiF4, determine: A) The formal charge on the silicon atom. B) The formal…

A: The Lewis structure or molecular skeleton is also known as electron dot structure. It is the…

Q: Draw the Lewis structure for the xenon tetrafluoride (XeF) molecule.

A: Draw lewis structure of XeF4 ?

Q: What is the oxidation number of arsenic in K3AsO4? O +6 O +3 O +5 O +8

A:

Q: Complete and balance the equation Co(C2H3O2)2•4H2O

A: A balanced equation can be defined as the equation in which equal number of atoms of each element is…

Q: Two molecules of borane can come together to form an unusual bond using two electrons. How many…

A: Boron-hydrogen-boron  bridge bond is a 2 electron bond and is called 3-center , 2-electron bond

Q: What is the oxidation number of phosphorus in H3PO4? O-3 O +3 O +5 O +4

A:

Q: What additional reactions do these NOx and SOx compounds undergo in the atmosphere that lead to the…

A: NOx indicates the oxides of nitrogen. The major oxides of nitrogen are nitric oxide (NO) and…

Q: Choose the best Lewis structure for phosphoric acid (H 3 PO 4 )?

A: The structure of the H3PO4 is as given below:

Q: Illustrate the  Relationship among Boiling Points, Dipole Moments,and Polarizability of Some Binary…

A: To illustrate the relationship between the boiling points, dipole moments, and polarizability of…

Q: Van der Waals bonds occur in many molecules, but hydrogen bonds occur only with materials that…

A: Atoms are held together in a molecule because of some attractive and repulsive forces. These forces…

Q: Can sodium nitrite form H-bonds with water?

A: Sodium nitrite is NaNO2  It is an ionic compound

Q: Explain why the structure of charcoal allows carbon to act as a good filter while the diamond…

A: The reason behind the fact that C as good filter in form of charcoal but not as filter in diamond is…

Q: Why are lithium halides covalent in nature?

A: Covalent compounds are formed by the sharing of electrons.

Q: . For each of the following, draw the Lewis structure, predict the ONO bond angle, and give the…

A: (a) The Lewis structure for NO2 can be drawn as follows, From the above structure, In NO2 , there…

Q: For each of the following molecules, write a Lewis structure, predict the molecular structure…

A: So we’re going to determine Lewis structure, molecular structure ,bond angles, and hydra orbitals…

Q: What is the molecular shape of CO2 ?

A: Given :-  CO2    (carbon dioxide) To be determined :-  molecular shape of carbon dioxide

Q: A nonmetal like oxygen forms both ionic and covalent bonds, depending on the identity of the element…

A: Solution- Calcium (Ca) is a metal and it partially loses two electrons and transfers to oxygen atom…

Q: Molecules in the upper atmosphere tend to contain double and triple bonds rather than single bonds.…

A: Saturated compounds are those compounds which contain only single bonds. Whereas, unsaturated…

Q: Draw the Lewis structure for the (H₂O*) ion.

A:

Q: H2O 2. HCHO 12)__ Evaporate

A: When aqueous Solution of formaldehyde is evaporated to dryness following product is formed

Q: Using Lewis symbols and Lewis structures, diagram the formation of SiCl4 from Si and Cl atoms.

A: Lewis dot structure of any atom or element is the representation of the valence electron around the…

Q: What is the theoretical mole ratio of sodium carbonate deca-hydrate to sodium chloride? O 1:2 O 1:1…

A: Sodium carbonate is a white solid which crystallizes as sodium carbonate deca-hydrate Na2CO3·10H2O.

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.