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- 16. Which of the following is intermolecular redox reaction :- СНО CH,OH OH (1) 2| СНО COOH (2) 2C,H;CHO Al(OC,H5 )3 CH,COOH + C,H,CH,OH (3) 4CrO, + 6H,SO, → 2Cr, (SO,); + 6H,O + 70, (4) As,S; + HNO; → H;AsO, + H,SO, + NO10. Balance the following Redox reactions. (b) Zn(s)+NO - 3 (aq)=NH3 (aq) +Zn2+ (aq) (c) MnO4 2- (aq)=MnO4 2- (aq)+MnO2 (s) (in base) (d) Br2 (l)+SO2 (g)=Br- (aq)+SO4 2- (aq) (in acid)Which of the following is an oxidation-reduction reaction? O PBCO3(s) + 2HNO3(aq) → Pb(NO3)2(aq) + CO2(g) + H2O() O So3g) + H2O() H2SO«(aq) O CO29) + H2O() → H2CO3(aq) O Na20(s) + H20) → 2NAOH(aq) O C2H4(g) + H2(g) → C2H6lg)
- Complete and balance the following redox reaction in basic solution CIO3 (aq) + C204² (aq) → CIO2(g) + CO2(g) 14- 3- |2- O2+ 3+ 4+ 1 6. 7 8 9 0. O3 Os O, Do 12 14 7 9. (s) (1) (g) (aq) OH H2O ei H3O 4+ 2. +15) Consider this chemical eqn: CuCl2+4KI => CuI+4KCl+I2 The above rxn may be classified as: (a) Combination (b) Oxidation-reduction (c) Single displacement (d) DecompositionComplete and balance the following redox reaction in basic solution 2- 3c₂²- 1 + 2 (s) H* CIO₂(g) →CIO₂ (aq) + CIO3(aq) 3 4 H₂O Reset ( (1) LO 5 OH- H 6 (g) H3O+ 7 8 CI • x H₂O 9 (aq) S
- Which of the following is NOT a redox reaction? CO32-(aq) + HSO4-(aq) ==> HCO3-(aq) + SO42-(aq) 2Al(s) + 12H+(aq) + 3SO42-(aq) ==> 2Al3+(aq) + 3SO2(g) + 6H2O(I) 2H2(g) + O2(g) ==> 2H2O(I) 2NaI(s) + Br2(I) ==> 2NaBr(s) + I2(s)Complete and balance the following redox reaction in acidic solution 10: (aq) + PO:³ (aq) → 10 (aq) + PO:³ (aq) 4- 2+ O3+ 4+ 1 3 4 7 8. |3 |4 Os (s) (1) (g) (aq) + H. OH- H3O+ e H+ H2O Reset • x H2O Delete 1L 3. 2.A sample of potassium permaganate (KMnO4) reacts to completion with sodium oxalate (Na2C2O4) in the folowing redox reaction: 2MnO4- (aq) + 5C2O4-2 (aq) + 16H+ (aq) --> 10CO2 g) + 2Mn+2 (aq) + 8H2O (l) The volume of carbon dixoide released by the reaction at 297 K and 1.00 atm was 138 L. How many moles of potassium permanganate reacted? The Universal Gas Constant is 0.082057 L x atm/ mol x K. (answer in sig figs)
- (a) Write the definition of reduction and oxidation. (b) Ammonia oxidizing bacteria (AOB) play an important role in nitrogen cycle. They are also utilized in engineered systems to remove ammonia in wastewater treatment. They obtain energy by oxidizing ammonia NH3 into nitrite (NO2-) and reducing oxygen to water. Balance the reduction and oxidation reactions driven by AOB. (c) Combine the redox reactions into a single reaction. (d) Find ΔG° for the combined reaction. (e) Find ΔG for the given conditions: [NH3] = 2.7 × 10-3 M; pO2 = 0.21 atm; [NO2-] = 1.2 × 10-5 M. If necessary assumeneutral pH (i.e., pH = 7). Are the given conditions favourable for AOB growth?Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction. 103(aq) + ClO₂¯ (aq) → 1₂ (s) + CIO₂(g) 3C₂²- 1 + 2 e (s) 3 H₂O Ton here or pull up for additional resources Question 42 of 140 Reset 4 (1) 5 6 H* | 7 (g) 8 9 H (aq) OH 0 SubmitIndicate whether the following balanced equations involve oxidation–reduction. If they do, identify the elements that undergo changes in oxidation number.(a) PBr31l2 + 3 H2O1l2 ¡ H3PO31aq2 + 3 HBr1aq2(b) NaI1aq2 + 3 HOCl1aq2 ¡ NaIO31aq2 + 3 HCl1aq2(c) 3 SO21g2 + 2 HNO31aq2 + 2 H2O1l2 ¡ 3 H2SO41aq2 + 2 NO1g2