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- A solution is electrolyzed at 0.751 A for 30.00 minutes. 0.178 g of vanadium is recovered. What is the charge of the vanadium in this solution? 1 mole electrons = 96500 C Question 1 options: a) 1 b) 2 c) 3 d) 4 e) 5 f) 6 g) 7Br2, bromine tested with chloride and iodide ions Halide salt Color change observed in the cyclohexane layer? Net Ionic Equation(s)/ No reaction NaCl NaI Comment on the ability of bromine to displace chlorine and iodine from their halide salts: What does this say about the relative reactivity of bromine?What is the oxidation number of each gallium in Ga3PO4? Question 5 options: a) +8 b) +7 c) +6 d) +5 e) +4 f) +3 g) +2 h) +1 i) 0 j) -1 k) -2 l) -3 m) -4 n) -5 o) -6 p) -7 q) -8
- Reaction: CrO42-(aq)+2H+(aq) <--> Cr2O72-(aq)+H2O(l) YELLOW ORANGE a) Under what conditions will Cr2O72-(aq) predominate? explain / defend your answer choice. b) is this a redox reaction? explain/ defend your answer.For the redox reaction given below complete the following: Cr2O3 + Mg -------------------> MgO + Cr (a) What is the oxidation no. of Cr in Cr2O3? Answer 1Choose...(b) What is the oxidation no. of Mg Answer 2Choose...(c) Find the element oxidized Answer 3Choose...(d) Find the element Reduced Answer 4Choose...(e) Find the Oxidizing Agent Answer 5Choose...(f) Find the Reducing Agent Answer 6Choose...(g) How many electrons transferred in this reaction?Choices: neutralizationprecipitationComplexationreductionoxidation 1. Which reaction determines the presence of metal ion/s in a solution? 2.Which reaction gains electrons from a molecule?3. Which reaction uses anions and cations to produce ionic compound and water?4.Which reaction occurs in reducing agents?
- Question 17 What is reaction 3? Reduction Oxidation Hydrate formation Fischer esterificationDetermine the oxidation numbers of the following compounds taking into account the oxidation rules, place formula and oxidation number procedure 1. Sulfuric acid2. Carbonic acid3. Nitric acid4. Sodium hydroxide5. Hydrochloric acid6. Potassium hydride7. Ferrous oxide8. Ahuric oxide9. Boric hydride10. Argenic hydrideWhat is the oxidation number of nickel in NiS2? Question 4 options: a) +8 b) +7 c) +6 d) +5 e) +4 f) +3 g) +2 h) +1 i) 0 j) -1 k) -2 l) -3 m) -4 n) -5 o) -6 p) -7 q) -8
- How much anhydrous stannous chloride (189.61 g/mol) is needed to completely reduce 1.050 g iron ore that has 26.0 % Fe (III)? [Given: FWFe = 55.845 g/mol] Half-reactions: Sn2+ --> Sn4+ + 2e- Fe2+ --> Fe3+ + e- A. 0.212 g B. 0.464 g C. 0.927 g D.1.78 gHURRY ASAP I WILL RATE NO NEED FOR EXPLANATION WHICH OPTIN Which oxidizing agent do you use to apply the following conversions? HOCH2CH2CH2CH2CH2OH HO2CCH2CH2CH2CO2H KМn04, 0H-,ısı РСС/СН2Сl2 H2, Pt NaBH4 LiAlH418.1 Periodicity While lead is not very reactive, it can be oxidized with hydrochloric acid very slowly to produce hydrogen gas. In the products, the lead is in the 2+ oxidation state. Complete the balanced equation below. Write the missing product in molecular form (do not write dissociated ions). Do not include state (phase) information. Provide your answer below: __Pb + __HCI --> __H2 + __