The following reaction takes place when zinc is in a copper sulfate solution: Zn
ID: 510016 • Letter: T
Question
The following reaction takes place when zinc is in a copper sulfate solution: Zn + Cu^2+ rightarrow Zn^2+ + Cu Which one of these species is the oxidizing agent? a. Mg b. Cu c. Mg^2+ d. Cu^2+ A sample of He gas (2.3s mol) occupies 57.9 L at 300.0 K and 1.00 atm. The volume of this sample is_____ L at 423 K 100 atm. a. 0.709 b. 57.9 c. 41.1 d. 81.6 The density of N_2O at 1.53 atm and 45.2 degree C is _____ g/L a. 0.388 b. 2.58 c. 9.99 d. 1.76 According to kinetic-molecular theory, in which of the following gases will the root- mean-square speed of the molecules be the highest at 200 degree C? a. SF_6 b. H_2O c. HCI d. Cl_2Explanation / Answer
23. Answer:- D
We know that substance which themselves get reduced and oxidise others are called oxidising agents. While the substance which oxidise themselves and reduce others are called reducing agent.
In the given reaction the Zn is oxidised to Zn2+ while Cu2+ is reduced to Cu. so we can say that Cu2+ is oxidising agent.
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