Which of the following reactions is (are) redox reaction? (a) Zn (s) + HCI(aq) (b) Na (s) + H2S04 (aq) -----> ZnCl2 (aq) + H2(g) -----> Na2S04 (aq) +H2(g) (c) AGNO3(aq)+ KCI(aq)- (d) NaHCO3 (aq) + HBr (aq) ----> AgCI(s) + KNO3(aq) ----> NaBr (aq) + H2O (I) + CO2 (g) A (1) B (II) (III) None of above 身

Q: Gold is isolated from rocks by reaction with aqueouscyanide, CN-: 4 Au(s) + 8 NaCN(aq) + O2(g) +…

A: a) Given Reaction is 4 Au(s) + 8 NaCN(aq) + O2(g) + H2O(l)--------> 4 Na[Au(CN)2](aq) + 4…

Q: Write balanced half-reactions for the following redox reaction:…

A: The given redox reaction is:4Cl2 (g) + AsH3 (g) + 8OH- (aq) →                                 8Cl-…

Q: Trial -1>. what is volune of. Trial-1 Volume of NAOH in Liters. Moles of NaOH (M×V) Moles of CH,COOH…

A:

Q: 22. What is the net ionic equation for the aqueous reaction of hydrochloric acid and sodium cyanide?

A:

Q: Which one of the following substances in aqueous solution is the strongest electrolyte?     (a)…

A: Electrolytes are the solutions which have the ability to conduct electricity in it.  The salts which…

Q: A mathematical equation useful for dilution calculations isM(dil)xV(dil)xM(conc)xV(conc) (a) What…

A: molarity is the number of moles of solute dissolved in a 1 liter of…

Q: NHẠCI(s) + NH4*(aq) + C(ag) (1) Dissolution of ammonium chloride in water (a) Is this reaction…

A: The reaction given is,

Q: Use the solubility rules to predict whether the following ionic compounds are soluble in water. (a)…

A: Given  AgCl   ; AgNO3 , Ca(NO3)2 and Ca(OH)2

Q: What is net ionic for CuSo4+NH4Cl ?  Does CUCl2 Considered Insoluable ?

A: The reactants given are  1) CuSO4 (aq)  2) NH4Cl (aq) Since the 2 salts will react and undergo…

Q: Table of solubility properties 1.0 M Na2SO4 (sulfuric acid) 1.0 M Na2CO3 (sodium carbonate) Ba2+…

A: Solubility refers to the ability of a substance to dissolve in a particular solvent to form a…

Q: Which one of the following equations is NOT a redox (oxidation- reduction) reaction? O H2CO3laq)- →…

A:

Q: what element is being oxidized in the following redox reaction? MnO4(aq)+ H2C2O4(aq)-->Mn^2+(aq) +…

A:

Q: Which one(s) of the following reactions is(are) redox reactions? (a) Na (s) + H2O (l) → NaOH (aq) +…

A: The answer is given as follows  Reaction a and c are redox reaction

Q: A sample of pure sodium oxalate weighing 0.1050 g is ignited [Na2C2O4 (s) --> Na2CO3 (s) + CO (g)]…

A: Given: weight of sample of pure sodium=0.1050g volume of  H2SO4 required for complete…

Q: Write a molecular equation for the precipitation reaction that occurs (if any) when each pair of…

A: 66. a.