If 13 gr Zn metal is immersed in excess HCl aqueous solution, then how many moles of ZnC12 is formed? O A) 1 O B) 01 O C) 2 O D) 0.2 E) 0.4

Q: (1) Calculate oxidation number of: a) Cr in CrO7 2- (b) P in Na2HPO4 (c) S in H2SO4 (11) Write the…

A: I. Oxidation number is defined as the number that is assigned to an element in a compound, which…

Q: Which of the carbonates given below is unstable in air and is kept in COa atmosphere to avoid…

A: Given Carbonates : (a) BeCO3 (b) MgCO3 (c) CaCO3 (d) BaCO3

Q: A0.6745 gram sample of KHP reacts with 41.75 mL of KOH solution for completeneutralization. What is…

A: The molarity of the solution is calculated by dividing the number of moles of solute by the volume…

Q: Express the concentration of a 5% w/v sulfuric acid (sp.gr. 1.80) in %wiw. O a. 2.78 %w/w O b. 1.77…

A:

Q: What is the net ionic equation of the reaction of MgSO, with Sr(NO3 )2? Express you answer as a…

A: First we have toh write the full molecular reaction and then we have to convert it into net ionic…

Q: How is I- converted to l2 which absorbs light in the visible region? Select an answer and submit.…

A: As per rules only one question can be answered. Answer to first question:

Q: Identify the oxidized atom in the following reaction: 2Fe2​O3​ (s)+3C (s)⟶ 4Fe (s)+3CO2 ​(g)

A: The oxidized atom in the following reaction is :-  C

Q: What coefficient is required for O2(g) in order to balance this reaction? Li20(s) → Li(s) + O2(g)…

A: Answer; 1 Given unbalanced reaction; Li2O(s)   ------->  Li (s)  + O2 (g)  this reaction is the…

Q: 18) Which specie has the highest percentage of hydrogen? 1) он 2) Н,о 3) Н.О, 4) нзо-

A: Since you have asked multiple question,we will solve the first question for you.If you want any…

Q: What is the oxidation state of the compound: Na2 [M0OCI4]?

A: The detailed solution of your question given below-- Since, we know that the oxidation number of any…

Q: In which species does sulfur have the highest oxidation number? Select one. O a. H2S Ob S8…

A:

Q: MCQ 6: Compound that has the oxidation state of +2 is A. Tin(I) oxide SnO B. Tin(IV) oxide SnO, C.…

A: Given compound, Oxygen have -2 Oxidation State and in this question we have to find the different…

Q: Aqueous solution of NiCl2 with a concentration of 500 ppm, what is the molarity and normality of…

A: given : NiCl2 = 500 ppm molar mass of NiCl2 = 129.59 g/mol  500 ppm = 500 mg NiCl2 1000 mL…

Q: Hydrazine is used to eliminate dissolved, corrosive oxygen from the water used in high-pressure,…

A: The oxidation state of a neutral compound is equal to zero.

Q: 13 - Which of the following substances has the highest oxidation state of hydrogen? 1. Ba(OH)2 II.…

A: (I)  Ba(OH)2 consists of 1 Ba^2+ And  2 OH^- , in each OH^- ion Hydrogen has +1 oxidation state.…

Q: What is the oxidation number of (N) in NH, Select one O+3 O+5 O3

A: Oxidation number is the hypothetical charge developed on an atom when it is separated from other…

Q: is -25.0 kJ per mol 02. In the compound ZO(e), Z has a +2 formal charge. Which of the following…

A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again

Q: The less electropositive element is: A. Na B. Be C. Li D. Mg

A:

Q: 12. In which of the following does sulfur have the highest oxidation state? A) SO: B) Ss C) H:SO4 D)…

A:

Q: The concentration of PO43 ions in (M) found in a solution of 3 M H3PO4 is (Ka1= 7.1X103, K22=…

A:

Q: what is a likely oxidation state of chlorine?  answer choices a)7 b)-7 c)+1 d)-1

A: Chlorine comes under group 17 in periodic table. it belongs to halogens.  all halogens are having -1…

Q: Determine the oxidation state of P in PO3. -3 +6 +2 +3 00000

A:

Q: c) What is the oxidation state of xenon in XeO4 and XeF6. (Show your work)

A: The Xe element belongs to the noble gas family. The noble gases are inert in nature.

Q: 34. Which species can oxidize Ag(s)? Fe³+ and Ni²+ None of the given. and Mg Au³+ and Br2 O O SO42-…

A: Electron is released during the oxidation of Ag(s). The balanced oxidation reaction of Ag(s) is:…

Q: A solution was prepared by dissolving 2.45, g of Ag2SO4 in water to give 0.5 liter. Calculate the…

A: Given data contains, Mass of Ag2SO4 is 2.45 grams. Volume is 0.5 liter.

Q: 15. Predict the chemical formula for a compound composed of Cat and acetate appropriate name. 16.…

A: The configuration of Ca (20) is [Ar] 4s2 The 4s valence shell of Ca has 2 electrons, thus, a loss of…

Q: For the reaction shown below indicate what element is oxidized, change in its oxidation state and…

A:

Q: Using the values of AG;º from the tables in Appendix C in the back of the textbook, calculate AGº…

A:

Q: 1. How many grams of Magnesium hydroxide required dissolved to form a solution at 0.1 N. if the…

A:

Q: water is electrolyzed for 2.0 hr with a c A, what volume of dry oxygen gas is colle (A) 4.2 L (B)…

A:

Q: What volume of O2 (g) is collected at 25.0°C and 1.02 atm if 1.00 kg of water is electrolyzed?…

A: Let us consider a gas 'Q' The ideal gas equation for the gas : PV = nRT P = Pressure of the gas V =…

Q: In nitrous acid (HNO2) the oxidation state of N is.. 1. +3 2. -3 3. +5 4. +6 а. 1 O b. 2 С. 3 O d. 4

A: The oxidation state of N in nitrous acid HNO2 = ?

Q: The first stage nitrification process is :presented by the following equation Nitrosomonas *2NH4* +…

A: Given reaction is : 2NH4+ + 3O2 ---------> 2NO2- + 2H2O + 4H+  Value of oxygen required for this…

Q: State a reason for each of the following statements: (i) Fluorine never exhibits any positive…

A: Cations are larger in size when compared to anions. Fluorine being the most electronegative atom has…

Q: Oksidasietoestand / Formule / Formula Naam / Name Oxidation state a) H¿PO?- Hipofosfiet /…

A: a) The formula of the ion given is H2PO2-.                            Note : hypophosphite will be…

Q: Gणए क्रम्ह ककएलेकांडम +o8 प्राणेजा বেলक बकट गंपड़ बी गलभुर्तावरळ ग़ल्ब्भुरकात्रट उतर ग्रेठ देनक उँ…

A: We have to carry out the given synthesis.

Q: The Haber process 8 Consider the diagram of the Haber process below. Assign the labels below the…

A: Haber process : it is the industrial process for large scale production of ammonia . In this process…

Q: 6.1 SO32- 6.2 NO* 6.3 Cr2072-

A: The sum of all individual atom or molecular oxidation number in polyatomic ion is equal to charge of…

Q: A species is reduced when it gains electrons and considered - الاختيارات none of them O reducing…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: How many moles of sodium are needed to react with 15.20 moles of manganese (IV) perchlorate?…

A: The ratio of mass to a molar of the substance is known as moles. It is denoted by n. The formula of…

Q: What is the number of coulombs required to electrolyze Au⁺(aq) to produce 3.50 mol Au? (F =…

A: To obtain Au from Au+ ions by electrolytic deposition, Au+ (aq) + e-→Au(s)

Q: MCQ 123: As electrons acceptors, strongest halogen is A. F В. С С. Вг D. I

A: As electron acceptor Cl is strongest.

Q: (g) CaCO3(s) CaO(s) + CO2(8)

A: As per student demand, solution for part g follow as:  Equillibrium constant (Kc) gives the relation…

Q: (e) It turns out that compounds of V" are very unstable in the presence of oxygen gas or oxide ions.…

A:

Q: What is the oxidation state of the fictional metal (M) in the compound, K[M(en)2(Cl)2]? a) +2 b)…

A: In this question, we want to determine the Oxidation state of metal ( M ) in the given complex.

Q: which one of the following reactions does sulfur disproportionate? A. H2S2 - H2S +S B. H2S(aq) + H20…

A: Disproportionation reaction means in which a element oxidize and reduce both in same reaction

Q: Determine the oxidation state of the following: 1. P in Zn3(PO4)2 2. Group VIA elements

A: Oxidation state of an element is equal to the charge acquired by an element in the chemical…

Q: 9. Based on what we learned in class, which of the following would you expect not to be an oxidizing…

A: ->Oxidizing agent are reagent which can oxidize any specie i.e substance which give oxygen or…