Bismuth forms two fluorides: BiF3 and BiF5. As is usually the case, the compound with the metal in the lower oxidation state has more ionic character,whereas that with the metal in the higher oxidation state has more covalent (molecular) character. Predict which bismuth fluoride will have the higher boiling point.

Q: Compounds such as NaBH4, Al(BH4)3, and LiAlH4 are complex hydrides used as reducing agents in many…

A: (a) The oxidation state of each element in NaBH4 Al(BH4)3 , LiAlH4 has to be given.   NaBH4 Let x be…

Q: Which of the following compounds is likely to have the lowest melting point? NaCl CS2 Pb…

A: Melting point: The temperature at which a solid substance melts to achieve liquid state. Melting…

Q: The bond angles in the nitrite ion, nitrogen dioxide, and the nitronium ion (NO2+) are 115°, 134°,…

A: The Lewis electron dot structure for given molecules are determined by first drawing the skeletal…

Q: Which ionic solid do you expect to have the most negative lattice energy? MgO CaCl2 Cas NaCl

A: The energy needed for one mole of ionic compounds  is formed from its constituents ions  is known as…

Q: Calculate the amount of heat generated (in kJ) from 0.100 g of hydrogen reacting with 0.600 g of…

A: Given that  amount of H2 = 0.100 gm  amount of O2 = 0.600 gm amount of heat released for water = 242…

Q: The common hydrate of magnesium sulfate is heptahydrate, MgSO4∙7H2O. In the crystal structure, how…

A: Magnesium sulfate is also known as epsom..(MgSO4.7H2O)..

Q: The first four ionization energies of an element X are 578, 1817, 2745, and 11,577 kJ·mol–1. What is…

A: The number of valence electrons can be found in the element X using the ionisation energies  Since…

Q: Estimate the ionic radius of Cs+. The lattice energy of CsCl is 633 kJ/mol. For CsCl the Madelung…

A: Lattice energy is energy required to separate one mole of a solid ionic compound into its respective…

Q: Explain why the bond between B and Cl in the molecule BCl3  is shorter than would be expected for a…

A: Comparing a normal B-Cl bond with the bonds present in BCl3 shows that bond in BCl3 are stronger and…

Q: Give the molecular shape of BeCl2

A: The shape of this molecule is determined with VSEPR theory.

Q: Calculate the lattice energy of AgBr(s) using the following thermodynamic data (all data is in…

A: The Born–Haber cycle is purposed the calculation of reaction energies with the help of ionization…

Q: The lattice structure of CsCl is shown below. What is the contribution of each Cst to the formula…

A: In a simple cubic lattice, there is one lattice point at each corner of the unit cell and no points…

Q: How many kj of heat are needed to produce 6.47 g NH 3 ? 4NO+6H 2 O 4NH 3 +5O 2; triangle H=906 kJ

A: From given data,  mass of NH3  = 6.47 g                  ∆H = 906 kJ   Also, molar masses are…

Q: Nitric acid (NO) is involved in many cell processes, including the widening of the blood vessels, or…

A: The compound given is NO.

Q: Which of the following may form +1 or +3 ions, depending on the conditions?  Gold Potassium…

A: Which element form +1 or +3 ions, depending on condition:

Q: 4. The common oxidation number for an alkaline earth metal is +2. (a) Using the Born-Mayer equation…

A: Here, first we have to draw the Born-Haber cycle and then we have to show that CaCl is an exothermic…

Q: The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of…

A:

Q: What is the mass percent of water in Ba(OH)2 octahydrate

A: We have to calculate the mass percent of water in barium hydroxide octahydrate. Introduction: We…

Q: Like CO2, water has two polar bonds but unlike CO2, water is polar overall. Explain why this is so?

A: Since we know that the molecular geometry of CO2 is Linear  and H2O is bent .

Q: Predict the shape of SiF4,SF4 and XeF4 molecules. Explain why the shapes differ.

A: Shape of SiF4, SF4 and XeF4 = ?  Explain why shape is different.

Q: <p>Explain why the graphite structure of carbon allows graphite to be used as a lubricant, but…

A: In graphite, flat sheets of carbon are connected together in the form of interconnected hexagonal…

Q: Why are lithium halides covalent in nature?

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

Q: Of the following halogens, which would be most stable as the central atom. F Br Cl l

A: An atom is made up of three major subatomic particles: electrons, protons and neutrons. Protons and…

Q: (a) Which poisonous gas is evolved when white phosphorus is heated with Cone. NaOH solution? Write…

A:

Q: theory to predict the molecular geometry of SiF4, SiF5- and (SiF6)2- (show lone pair electrons on…

A:

Q: What word or two-word phrase best describes the shape of the carbon dioxide (CO₂) molecule? X

A: VSEPR theory: The structure of a molecule can be determined by using the VSEPR theory. According to…

Q: Write the full electron configuration of Si, Si+4 and Si-4. How many valence electrons are in each…

A:

Q: Consider the elements Li, K, Cl, C, Ne, and Ar. From this list, select the element that (a) is most…

A: Consider the elements Li, K, Cl, C, Ne, and Ar. From this list, select the element that (a) is most…

Q: Calculate the percent ionic character present in SiO2 and the covalent character of Al2O3

A:

Q: THE CHEMICAL FORMULA OF THE FOLLOWING COMPOUND •Sodium hydroxide •Potassium permanganate

A: A chemical formula indicates the elements and their proportions in a compound .

Q: Which of the following has the highest ionic strength? O 0.60 M NaCI O 0.60 M Na2SO4 O 0.60 M…

A: