Be sure to answer all parts. Find the pH of the equivalence points when 28.9 mL of 0.0850 M H2SO3 is titrated with 0.0692 M NaOH. pHist pH2nd =

Q: Describe the following by giving a suitable example in each case : (a) minimum boiling azeotropes…

A: Describe the following by giving a suitable example in each case : (a) minimum boiling azeotropes…

Q: (a) By considering a simple two-electron system, describe how the exchange energy within a…

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Q: Consider the following dioxides of fifth-period elements: SnO2, TeO2, and XeO2. (a) Use their common…

A: The penultimate shell in an atom is the second last shell, the largest shell is the valence shell.…

Q: Assign reason for the following : (i) Sulphur in vapour state exhibits paramagnetism. (ii) F2 is…

A: Assign reason for the following : (i) Sulphur in vapour state exhibits paramagnetism. (ii) F2 is…

Q: Classify each of the following hydride compounds as a solid, liquid, or gas at room temperature.…

A: In the list provided, all of the hydride compounds are in a gaseous state at room…

Q: B) Calculate the radius of a tantalium atom, given that Ta has a (BCC) crystal structure, density of…

A:

Q: (b) Discuss the silicon crystal as shown in Fig. (a). [2]

A: Semiconductors are those having conductivity between metals and non-metals. Semiconductors include…

Q: The metallic, covalent and ionic radii of Al are 143, 130 and 54 pm respectively; the value of rion…

A: Metallic radius is half the distance between centres of nuclei of two atoms of metal held together…

Q: Predict the products of the following single replacement reaction Fe(s) + CuSO4(aq)

A: When a metal reacts with an aqueous solution of a metallic compound, the anion of the compound gets…

Q: For the following compounds, write the oxidation state and electron configuration of each individual…

A: Here we have to write the oxidation numbers of all atoms in the compounds and their electron…

Q: Give detailed Solution with explanation of step by step...don't give Handwritten answer..

A: The objective of this question is to draw the Lewis dot structure for the compound (CH3)2CCH2. Lewis…

Q: What is the mass percentage of O in C₂H6O₂?

A: C = 12, H = 1, O = 16

Q: (ii) In Complete the table below giving the formulae of the oxides of the elements Element Li Be в C…

A: The question is based on the concept of periodic  properties of elements. we have to write formula…

Q: Describe as oxides, peroxides or super-oxides the binary of the following oxygen compounds (answers…

A: Given :- (a) BaO2 (b) HNO3 (γ) H2S (δ) LiOH (ε) P4O6 (f) P4O10 (g) SO3 (h) RbO2 (i) SrO (i) ZnSO4…

Q: a. A group 1 metal only forms one oxide (MO) with oxygen. The oxide that is formed will not produce…

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

Q: Write the formula and name of a compound formed from the tonic interaction between a 2+ ion and…

A: Charge on positive charge on cation in the given compound= +2  Charge on negative charge on anion in…

Q: Briefly describe (b) disproportionation reaction

A: Disproportionation reaction has to be described.

Q: Discuss the following structure of AB2 and ABO3 type oxides in detail with proper diagrams and…

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Q: Suggest the oxidation state of Kr in KrF2.

A: Kindly get the answer given below.

Q: Following are some laboratory methods occasionallyused for the preparation of small quantities of…

A: The balanced chemical equation for the reaction between HCl(aq) with FeS(s) is as follows:

Q: (c) dependence of acidity and basicity on oxidation state

A: The oxidation state  have direct impact on acidity and basicity of element. The acidity of a…

Q: Sketch the most stable structure of PBr2Cl3 and explain your reasoning.

A: The molecular geometry when the central atom is bonded to five different atoms is trigonal…

Q: A sample of xenon gas at a pressure of 0.793 atm and a temperature of 30.0°C, occupies a volume of…

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Q: . Give a systematic name to each of the following molecules. (a) (c) Br Br Q (b) (d) 0-117 LOH

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Q: * OWLV2 | Online teachin X C According To The Following +…

A: Since from the pic we can see that the number of molecules of oxygen is 6 and nitrogen is 2 From…

Q: (b) Discuss the silicon crystal as shown in Fig. (a). [2]

A: Definition Silicon has a 0.543 nm lattice parameter and a diamond cubic crystal structure. The…

Q: Write a balanced equation for the reaction of each of thefollowing compounds with water: (a) SO2(g),…

A: The chemical reaction in which number of atoms for each element in the reaction and the total charge…

Q: Which of the following has the highest first 42 ionization potential? (a) P (C)Al (b) K (d) Si.

A: We have to find which of the following has the highest first ionization potential.   a)  P   b)  K…

Q: The chemical reactivity and behaviour of boron differs substantially from the rest of the p-block…

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Q: Explain laboratory preparation of carbon dioxide with figure

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Q: Create an illustrated summary of the procedures in separation of cations into groups.

A: In qualitative analysis, the metal cation of interest exists in the solution is identified and…

Q: 1. (a) The structures of R₂Pb-PbR2 and RPb-PbR are shown below. i. Show by equation how you would…

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Q: A. Catenation? B. Inert pair effect?

A: The explanation of the both the phenomena given in the following steps

Q: Draw a Lewis structure of the thiocyanate ion that contains a triple carbon-nitrogen bond. When…

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Q: 2. (a) Give the Lewis structure of the following: (i) BeF₂ (ii) SC1₂ (iii) NH3 (iv) ICIA (v) PO3-…

A: LEWIS STRUCTURE is a simplified representation of total valance shell electrons in a molecule.…

Q: Briefly account for the following relative values:(a) The melting points of Na and K are 89°C and…

A: Given information, (a) The melting points of Na and K are 89°C and 63°C respectively (b) The melting…

Q: Write the Formula to the following Compound 1. Molybdenum (III) oxalate 2. Tantalum (IV) Perchlorate…

A: we have to write the formula of the given compounds

Q: With specific reference to the boiling and melting point temperatures, explain the difference in the…

A: Melting point and boiling point of alkaline earth metals

Q: Nickel and copper ores are generally sulfides, whereasaluminum ore is an oxide. Explain this…

A: An acid can be defined as a species that can accept electrons whereas a base can be defined as a…

Q: Based on the radius ratio rules what is the predicted (i) coordination number and (ii) geometry of…

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Q: The lustre of a metal is due to:(a) its high density(b) its high polishing(c) its chemical…

A: Metallic lustre is due to the mobile electrons present in metals which when de-excites releases…

Q: Who we can classify the anions into groups and what is the basis of this classification

A: One of the best and well known separation scheme of classification of cation and anion is described…

Q: d) Explain the following trend in the lattice energy of oxides (in kJ.mol) assuming all have the…

A: the lattice energy is the energy released when 1 mole of solid lattice is formed from the required…

Q: Choose the major product of the reaction with correct regio- and stereo-chemistry. 0 ОН 'Br Br "Br…

A: We have to predict the final product of the reaction.

Q: Explain in terms of structure and bonding where applicable, why the variation of each of atomic…

A: Atomic radius refers to the size of an atom, which is determined by the distance between the nucleus…

Q: Draw the Lewis Dot Structures for (CIF 4) +

A: The objective of the question is to draw the Lewis structure of the given compound.