Question

What are the oxidizing agent and the reducing agent in this chemical equation? 3FeS + 8HNO3 → 3FeSO4 + 8NO + 4H2O

A. FeS is the oxidizing agent, and HNO3 is the reducing agent.

B. HNO3 is the oxidizing agent, and NO is the reducing agent

. C. FeS is the reducing agent, and HNO3 is the oxidizing agent.

D. HNO3 is the reducing agent, and NO is the oxidizing agent.

Answer 1

(C) FeS is the reducing agent, and HNO3 is the oxidizing agent.

Is the right answer

Hope it helps!!!

Answer 2

In the chemical equation: $3FeS+8HNO_3\rightarrow 3FeSO_4+8NO+4H_2O$, FeS is the reducing agent and $HNO_3$ is an oxidizing agent.

Explanation:

• An agent which makes oxidation to happen is called an oxidizing agent, whereas the agent responsible for reduction is called a reducing agent.
• In a chemical reaction the substance which gets oxidized is called a reducing agent whereas the one which gets reduced is called an oxidizing agent.
• In the chemical reaction $3FeS+8HNO_3\rightarrow 3FeSO_4+8NO+4H_2O$, FeS is considered as reducing agent because it is getting oxidized to  $FeSO_4$ due to lose of electron.

• On the other hand, $HNO_3$ is considered an oxidizing agent because it is getting reduced to NO due to gain of electrons.
• Thus option C is considered as the correct answer for the given question.

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