Which of the following is the weakest oxidizing agent? A) Fe^2+(aq) B) Cr^3+(aq) C) Sn^4+(aq) D) K^+(s) E) Cu^+(s) Determine which of the following pairs of reactants will result in a spontaneous reaction at 25 degree C. A) Pb^2+(aq) + Au(s) B) Ag^+(aq) + Br^-(aq) C) Na^+(aq) + Al(s) D) Fe^3+(aq) + Al(s) E) None of the above pairs will react.
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Question & Answer: Which of the following is the weakest oxidizing agent? A) Fe^2+(aq) B) Cr^3+(aq) C) Sn^4+…..
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1.The weakest reducing agent among the given options in K+ at it is one of the best reducing agents available.
The standard Reduction potential of K+ is negative (also more negative than all the other counterparts) making it the weakest oxidising agent among all.
2. Possible reactions are :
- Reaction of Silver and Bromide ion. They precipitate readily giving AgBr at room temperature.
- Al will replace Fe3+ from its aqueous solution because it is placed higher in the activity series.