Sodium sulfate reacts with carbon to produce the products sodium sulfide and carbon monoxide. Identify the reducing agent in the
2 answers:
Answer : The correct option is, carbon (C)
Explanation :
Oxidizing agent : Oxidizing agent are the agent that gains electrons and is reduced in a chemical reaction.
Reducing agent : Reducing agent are the agent that lose electrons and is oxidized in a chemical reaction.
The given balanced chemical reaction is,
First we have to calculate the oxidation number of sulfur and carbon.
The oxidation state of 'S' in and
are, (+6) and (-2) respectively.
The oxidation state of 'C' in and
are, (0) and (+2) respectively.
From this we conclude that, the act as an oxidizing agent and 'C' act as a reducing agent.
Hence, the reducing agent in the following reaction is, carbon (C)
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Explanation:
In a voltaic cell, oxidation reaction occurs at anode whereas reduction reaction occurs at the cathode.
Hence, the half-cell reaction taking place at anode and cathode will be as follows.
At anode (Oxidation) : ...... (1)
At cathode (Reduction) :
So, in order to balance the half cell reactions, we multiply reduction reaction by 3. Hence, reduction reaction equation will be as follows.
........ (2)
Therefore, overall reaction will be sum of equations as (1) + (2). Thus, net reaction equation is as follows.