Answer
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Hint: Reduction potential generally used for measuring the tendency of a chemical species to acquire electrons and tendency to be reduced. It is measured in volts or millivolts. Each species has its own intrinsic reduction potential. More positive the value of reduction potential shows greater affinity for electrons.
Complete Solution :The standard reduction potential can be referred to as a standard hydrogen reference electrode which immediately gives a potential of 0.00 volts. The values below in parentheses are standard reduction potentials for half-reactions which are measured at ${25 ^o}$C, 1 atmosphere and with a pH of 7 in aqueous solution. As we know that reduction potential is used to measure the intrinsic tendency for a species to undergo reduction as compared to standard reduction potential for two processes and it can be useful for determining how a reaction will proceed. Each half-cell is associated with a potential difference whose value depends on the nature of the particular electrode reaction and also on the concentrations of the dissolved species. The sign of this potential difference depends on the direction in which the electrode reaction proceeds.
- Higher the value of standard electrode potential stronger will be the oxidizing agent so we can say that ${{F}_{2}}$ is the stronger oxidizing agent. Similarly lower the value of standard electrode potential stronger will be the reducing agent so ${{I}^{-}}$ will be the strongest reducing agent out of the other mentioned in the question. Thus, option D is correct.
So, the correct answer is “Option D”.
Note: Reducing agents and oxidizing agents are chemical compounds used in the redox reactions. These compounds are known as the reactants of a redox reaction. The main difference between reducing agent and oxidizing agent is that reducing agent can lose electrons and be oxidized whereas oxidizing agent can gain electrons and be reduced.
Complete Solution :The standard reduction potential can be referred to as a standard hydrogen reference electrode which immediately gives a potential of 0.00 volts. The values below in parentheses are standard reduction potentials for half-reactions which are measured at ${25 ^o}$C, 1 atmosphere and with a pH of 7 in aqueous solution. As we know that reduction potential is used to measure the intrinsic tendency for a species to undergo reduction as compared to standard reduction potential for two processes and it can be useful for determining how a reaction will proceed. Each half-cell is associated with a potential difference whose value depends on the nature of the particular electrode reaction and also on the concentrations of the dissolved species. The sign of this potential difference depends on the direction in which the electrode reaction proceeds.
- Higher the value of standard electrode potential stronger will be the oxidizing agent so we can say that ${{F}_{2}}$ is the stronger oxidizing agent. Similarly lower the value of standard electrode potential stronger will be the reducing agent so ${{I}^{-}}$ will be the strongest reducing agent out of the other mentioned in the question. Thus, option D is correct.
So, the correct answer is “Option D”.
Note: Reducing agents and oxidizing agents are chemical compounds used in the redox reactions. These compounds are known as the reactants of a redox reaction. The main difference between reducing agent and oxidizing agent is that reducing agent can lose electrons and be oxidized whereas oxidizing agent can gain electrons and be reduced.
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