Which substance is oxidized in the following reaction: PbO2(s) Pb(s) 4H* 2PB2 (aq) + 2H20 a) PbO2 O b) Pb c) H+ d) Pb2+

Q: 4. Calculate the mass of oxygen produced from the decomposition of 75.0 g of potassium chlorate.…

A: Applying concept of limiting reagent and mole concept.

Q: 23. In the following reaction: 2 PbO(s) + O2(g) → 2 PbO2(s) PbO is the reducing agent and O2 is the…

A:

Q: MG a. An oxidasing agent B. A redusing agent C. Catalyst D. Dehydration agents

A: Oxidizing agent : the species which itself gets reduced but oxidized others.  Reducing agent : the…

Q: What is the reducing/oxidizing agent in CO+H20 yields CO2+H2

A: Given redox reaction:

Q: Identify element X in the reaction (type in just the symbol as given in the Periodic Table): 23Na +…

A:

Q: Which species is being oxidized in the following reaction? 2 Au(NO3)3(aq) + 3 Ca(s)3 Ca(NO3) (aq) +…

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Q: MnO4- + 2CHCl3 → 3Cl2 + 2CO2 + Mn2+ which is reduced and which is oxidized?

A: The species which loses electrons (or increase in oxidation state) in a chemical reaction is termed…

Q: In the reaction Cl2(g) + S2O2−3(aq) → Cl−(aq) + SO2−4(aq) of the thiosulfate ion with chlorine gas…

A: The oxidizing agent is the participant in the reaction which oxidizes the other reactant and reduces…

Q: Identify the oxidizing agent in the following chemical reaction. 2MNO4 +5H2S03→ 2MN4 +5S042-+ 4H* +…

A: The oxidizing agents in the reaction are defined by the species which oxidize others and reduced…

Q: What is the oxidizing agent in the following reaction? C6H12O6 +6 O2 → 6 CO2 + 6H2O O C6H1206 02

A: Oxidising agent is  substance  having ability to other  substance , examples for oxidising agents…

Q: Which of the following is the oxidizing agent in the following reaction? 2Al + Cr2O3 → Al2O3 + 2Cr

A: Oxidizing agent is the agent where addition of electrons takes place. So Cr oxidation state goes…

Q: Which element is oxidized in the following reaction? PCI5() PCI3(e) + Cl2(g) 2-) H. P. CI

A: The given reaction is, PCl5(g)→PCl3(g)+Cl2(g) Let's find the oxidation state of each element. For…

Q: reactants oxidized reactants reduced reaction 16Cu (s) + S, (s) - 8Cu, s (s) ? Mg (s) + Cl, (g) Mg…

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Q: Identify which species was oxidized and which was reduced. 2Na(s) + CuSO4 (aq)→ Cu(s) + Na2SO4 (aq)

A: Oxidation Oxidation is defined as loss of electrons. Reduction  Reduction is defined as gain of…

Q: In cation exchange reaction, how many grams of calcium will replace 2 me of K+?

A: Calcium has tendency to release 2 electrons so it becomes Ca2+ . So one mole of calcium can replace…

Q: Based on the equation below, which is correct? 2 C2H2(g)  +  5 O2(g)  →  4 CO2(g)  +  2 H2O(g)…

A: The electronegativity trend of oxygen carbon and hydrogen is  O>C>H In C2H2, hydrogen…

Q: In the following chemical reaction which element is the oxidizing agent? 3sn(no3)2(awesome)+2Fe(s)…

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Q: 25. What species is oxidized in the following redox reaction: 2Al(s) + 3 Zn²*(aq) → 2A13*(aq) +…

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Q: Given that 0.140 g of enzyme was dissolved, what is the molecular mass of the unknown enzyme?…

A: GIVEN: Mass of the enzyme = 0.140 g Moles of the enzyme =3.24 x 10-6 To Calculate: Molecular mass of…

Q: Which element is oxidized in the following reaction: 2FeCl2 + Cl2 → 2FeCl3 if Fe goes from +2 to +3…

A: Oxidation takes place when there is an increase in the oxidation state of the element occurs.…

Q: Given the overall reaction: 2OH- + Cu2+ -> H20+ 1/2 O2 + Cu (s). which species served as the…

A: The given reaction is:                                                    2OH- + Cu2+   ---->…

Q: In the following reaction, which species is oxidized?  3Li2S(s) + 8H+(aq) + 2NO3-(aq) = 6 Li+(aq) +…

A: The species whose oxidation state increases in the reaction will be the one which is being oxidised.…

Q: Identify which atom was oxidized and which was reduced in the following reaction: Sn2*(aq) +…

A: Given :-  Sn2+(aq) + Cu2+(aq) → Sn4+(aq) + Cu+(aq)   To identify:- which atom was oxidized and which…

Q: What is the oxidizing agent in the following reaction? + 4 NO + 6 H2O 4 NH3 + 5 02 O a. 02 O b. NH3…

A: O2 is oxidising agent because it gets reduced. So option A is correct answer.

Q: Determine the oxidizing agent in the following reaction. Ni(s) + 2A9CIO,(aq) - Ni(CIO,),(aq) +…

A: To solve this problem first we have to see the oxidation state of elements is changing or not . Then…

Q: Calcium metal can be obtained by the direct electrolysis of molten Cacl2 , at a voltage of 3.2…

A:

Q: Answer the questions that refer to the following reaction: SiO2(s) + 2C(s) → Si(s) + 2CO(g)…

A: Given reaction is , SiO2(s) + 2C(s)→Si(s) + 2CO(g)  An oxidizing agent gains elections and oxidizes…

Q: Module 7 1.) Refer to the following equation: 3Cu(s) + 8HNO(aq) → 3Cu(NO3)2(s) + 2NO(g) + 4H,0(1) A.…

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Q: How much AgBr (187.77 ) is made from 2.96 g of FeBr3 (295.55 )?  FeBr3 (s) + 3 AgNO3 (aq) ⟶ 3 AgBr…

A: By seeing the above reaction: FeBr3 (s) + 3 AgNO3 (aq) ⟶ 3 AgBr (s) +  Fe(NO3)3 (aq) We can…

Q: Q26 (C). (a) Explain the following redox reactions: (3 Marks)

A: These reaction are based on spectrochemical series .

Q: Which is the oxidizing agent in the reaction below? → Cr₂O72- + 6 S2₂032 + 14 H+ 2 Cr3+ + 3 S4062 +7…

A: Which is the oxidizing agent in the reaction below?

Q: CQ 4: During a reaction, the formation of the mirror inside the tube is due to A. silver ions B.…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How many moles of O 2 are needed to oxidize 4.51 moles of CuFeS2 in the reaction 2 CuFeS2 + 5 O2 —>…

A: In given reaction 5 moles of oxygen required to oxidised 2 moles of CuFeS2

Q: Given the following reaction: MnO4 (aq) + H₂C₂O4(aq) → Mn2 (aq) + CO₂(g) What is the oxidation state…

A: Given  Find the oxidation state of ech (c) in H2C2O4

Q: What type of reaction is the following classified as: 10Na(s) + 2KNO3(s) = K2O(s) + 5Na2O(s) +…

A: Type of reaction

Q: What species is being oxidized in the folowing reaction? 2 HNO3 (aq) + Cu (s) + 2H* → 2 NO2 (2) +…

A: Given :-  2HNO3(aq) + Cu(s) + 2H+ →2NO2(g) + Cu2+(aq) + H2O(l)  To identify :-  oxidized species in…

Q: Quvon (aq) 2 Fecs) + 3 F₂ cg) → GF - (99) + 2 Fe ² + in which reaction, which is oxidising the agent…

A: Oxidation reduction reaction (Redox reaction) It can be defined as the chemical reaction in which…

Q: For reaction below, identify the atom oxidized, the atom reduced. 2K2Cr207 + 2H20 + 3S ==> 3SO2 +…

A:

Q: If a redox reaction occured with the 2 redox couples provided below, which species would be the…

A: Given: S2O82-(aq)+2e-→2SO42-(aq)…

Q: In the following chemical reaction the oxidizing agent is 5S + 6KNO3 + 2CACO3 3K2SO4+2C2SO4 +…

A: To find: The oxidizing agent in the given reaction

Q: ) HNO3

A: Substance which undergoes reduction is called oxidizing agent.  So, Substance whose oxidation number…

Q: Which series is oxidized? 8NaI + 5H2 SO4 ---- 4I2 + H2S + 4Na2SO4 +4H2O

A: 8NaI+5H2​SO4​ → 4I2​+H2​S+4Na2​SO4​+4H2​O Oxidized means oxidation number increases after the…

Q: Consider the following reaction: Zn(s)  +  Cu2+(aq)  ⟶    Cu(s)  +   Zn2+(aq) Which reactant is…

A: Given reaction is, Zn(s)  +  Cu2+(aq)  ⟶    Cu(s)  +   Zn2+(aq)

Q: What element is being oxidized in the following redox reaction?  MnO4⁻ (aq) + C2O42 - (aq) →…

A:

Q: Cu(OH)2+2Ag = Ag2O+Cu+H20 Name of oxidized element Name of oxidizing agent Name of element reduced…

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Q: determine the oxidizing agent in the following reaction Sn4+ + Ca --> Sn2+ + Ca2+

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Q: Iron can be extracted from haematite, Fe2O3, using either C or CO2 as the reducing agent. The…

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Q: 3SnO32- + 2PH32P + 3SnO22-+ 3H2O In the above redox reaction, use oxidation numbers to identify…

A: The given redox reaction is,                        3SnO32- + 2PH3 -------> 2P + 3SnO22-+ 3H2O…

Q: Use this reaction to answer the following question : FeO + Zn(s)  --------->. ZnO + Fe(s) What is…

A: The compound in which oxidation states of central atom is decreasing called oxidising agent. In Feo…

Q: 149. Balance the following equation. How many lHCI are there on the left side of the balanced…

A: A balanced equation obeys the law of conservation of mass where the number of atoms remains constant…

Types of Polymers on the basis of Method of Preparation