What is the oxidizing agent in the following equation? HAs02(aq) + Sn2+ (aq) + H+ (aq) As (s) + Sn4+ (aq) + H20 (I)

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Q: 19 (NDA-II/2014)
What is the oxidizing agent in the following equation? HAs02(aq) + Sn2+ (aq) + H+ (aq) As (s) + Sn4+ (aq) + H20 (I)

question_subject: 

Science

question_exam: 

NDA-II

stats: 

0,2,2,2,2,0,0

keywords: 

{'aq': [0, 0, 0, 1], 'agent': [0, 0, 2, 5], 'equation': [0, 0, 0, 4], 'sn4': [0, 0, 0, 1], 'sn2': [0, 0, 0, 1], 'h20': [0, 0, 0, 4], 'hasoz': [0, 0, 0, 1]}

In the given equation, the oxidizing agent is the species that causes the oxidation of another species.

Option 1: HAsO2 (aq)

This option represents the compound HAsO2 in the reaction. However, in the given equation, HAsO2 is not involved in the oxidation process. It is actually being reduced into As (s). Therefore, option 1 is not the correct answer.

Option 2: Sn2+ (aq)

This option represents the species Sn2+ in the reaction. Sn2+ is actually being oxidized into Sn4+. It is giving away electrons, which indicates that it is the reducing agent, not the oxidizing agent. Therefore, option 2 is not the correct answer.

Option 3: H+ (aq)

This option represents the species H+ in the reaction. H+ is neither being oxidized nor reduced. It is acting as a catalyst to facilitate the reaction, but it is not the oxidizing agent. Therefore, option 3 is not the correct answer.

Option 4: Sn4+ (aq)

This option represents the species Sn4+ in the reaction. Sn4+ is actually being reduced into Sn2+. It is gaining electrons, indicating that it is the oxid