Cr₂O7²- + 3H₂S+ 8H+→→→2Cr³+ + 3S+ 7H₂0 In the above reaction, the oxidation state of chromium changes from How many electrons are transferred in the reaction? Submit Answer Retry Entire Group 9 more group attempts remaining to ✓ -7 -5 -4 -3 -2

Q: 2Mn²+ + 10HCIO 2MnO4 + 5Cl₂+ 6H++ 2H₂O In the above reaction, the oxidation state of manganese…

A: We can get the transferred elections in a reaction to balance oxidation and reduction…

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A: The balanced chemical equation can be written as follows-

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Q: The oxidation number of Chromium in K2Cr2O7 is? Group of answer choices +7 +5 +6 +12 +2

A:

Q: How many amperes are required to deposit 0.112 grams of silver metal in 858 seconds, from a solution…

A:

Q: What is the oxidation state of the element "X" in XO3³-? +6 -2 +2 +3 -3

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Q: Balance the following redox reactions by the oxidation state change method. K2Cr2O7 + FeSO4+H2SO4…

A: Since you have asked multiple questions, we will solve first one for you. For any particular…

Q: A solution is electrolyzed at 0.751 A for 30.00 minutes.  0.178 g of vanadium is recovered.  What is…

A: Correct answer is (d) 4 . By Faraday's law: w = E×I×tF  0.178 = 51×0.751×30×60n.f×96500  n.f = 4…

Q: 93 Chemistry I Laboratory Manual, 2019 Revision Questions: gy muibor alo vialom od W (E 1) Samples…

A: a. The species that is oxidised is Fe2+ b. The species that is reduced is Cr2O7^2-

Q: [Review Topica] [References) Use the References to access important values if needed for this…

A:

Q: oxidation state formula name a) H2PO2- Hypophosphate +3 HPO32- b) +4 c) Hypophosphate +5 PO43- d)…

A:

Q: Which of the following set of conditions will accomplish the following reaction? A. Na, NH3(1)-33°C.…

A: Alkyne react with various reducing agents and can undergo partial reduction as well as fully…

Q: 2Bi(OH)3 + 3Hg 3HGO+2Bi+ 3H,0 In the above reaction, the oxidation state of mercury changes from to…

A:

Q: The oxidation state of sulfur in Li2SO3 is Group of answer choices 0 +4 -2 +6 +2

A: The oxidation state of group I A elements or alkali metals in a compound is +1. The oxidation state…

Q: What is the oxidation state of Ti in TiO2? Group of answer choices 2- 2 4 0 4- 2,

A: "Since, you posted multiple questions . So, we will solve the first question for you. If you want…

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A: It is based on the concept of balancing of Redox reaction  Here we are required to balance the given…

Q: rite the net ionic equation for the precipitation of iron(III) hydroxide from a -

A:

Q: In the above redox reaction, use oxidation numbers to identify the element oxidized, the element…

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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: NO3 + 2C1O₂+ H₂O HNO₂ + 2CIO3 + H+ In the above reaction, the oxidation state of nitrogen changes…

A: Since, In redox reaction, Oxidation and reduction reaction both takes place simultaneously.

Q: The oxidation state of sulfur in Li2SO3 is Group of answer choices +4 +2 0 +6 -2

A: The Oxidation state is the number of charge present at particular atom in a Molecule. The Oxidation…

Q: CovalentActivity.do?locator3Dassignment-take [Review Topics] [References] Use the References to…

A: Given reaction,

Q: HPO₂2+2 Br+ 2 H₂0 Br₂ H₂PO₂ +3 OH In the above reaction, the oxidation state of bromine changes from…

A: The balanced reaction given is HPO32− + 2 Br− + 2 H2O → Br2 + H2PO2− + 3 OH−

Q: The oxidation state of chlorine in MgCl2 is Group of answer choices -1 +1 +2 0 -2

A:

Q: 5Fe2 MnO4 SH 5Fe3 Mn2++ 4H20 In the above reaction, the oxidation state of manganese changes from to…

A: The charge on oxygen is -2.Total charge on molecule is -1.Let oxidation state of Mn in MnO4- be…

Q: Which element is oxidized in the following reaction? Fe²+ + H+ + Cr₂O72- →→Fe³++Cr³++ H₂O

A: Oxidation is a chemical process that involves the loss of electrons or an increase in the oxidation…

Q: 2S²- + N₂+ 4H₂0- In the above reaction, the oxidation state of sulfur changes from 0 to 0 How many…

A: The given redox reaction is .We have to tell the change of oxidation state of S in this redox…

Q: When the following skeletal equation is balanced under acidic conditions, what are the coefficients…

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Q: What is a when the reaction Fe2O3 + C → Fe + a CO2 is balanced with the simplest integer…

A:

Q: *Chronium is more toxic and more soluble in natural waters than HGO.&. 95 Chronium (111) In the…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: The change in Oxidation number of 'Cr' in the following reaction is (Cr,0,)2 ( CrO4)2 7 6 Clear my…

A: Explanation to the correct answer is given below

Q: Course Home…

A: First using the given aluminium foil area and thickness the volume of the foil is determined.

Q: 2+ 2+ 27. Which species will oxidize Cr²+ but not Mn²+? A) V³+ 4+ B) Pb4 C) Zn2+ D) Fe²+ 2+ E) O3

A:

Q: Aluminum metal reacts with nitric acid to produce aluminum nitrate and hydroger gas identify the…

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A:

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