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For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm?
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For the EMF of a hydrogen electrode to be zero the pressure of hydroen...
Explanation:
The EMF of a hydrogen electrode can be represented by the below equation:
2H⁺(aq) + 2e⁻ → H₂(g)
The EMF of this reaction is dependent on the pressure of hydrogen gas and the concentration of H⁺ ions in the solution. The standard EMF of a hydrogen electrode is zero when the pressure of hydrogen gas is 1 atm and the concentration of H⁺ ions is 1 M.
Answer:
(c) 1.0 atm
Explanation:
To achieve a zero EMF of a hydrogen electrode, the pressure of hydrogen gas should be 1 atm. This is because the standard EMF of a hydrogen electrode is calculated at a pressure of 1 atm. Therefore, to achieve this standard condition, the pressure of hydrogen gas should also be 1 atm.
Option (a) 1times10^(-7) atm and option (b) 1times10^(-14) atm are not correct because they are very low pressures of hydrogen gas. These pressures are associated with the concentration of H⁺ ions in the solution, not the pressure of hydrogen gas.
Option (d) 0.0 atm is not correct because the reaction cannot occur without the presence of hydrogen gas. Therefore, the pressure of hydrogen gas cannot be zero.
The EMF of a hydrogen electrode can be represented by the below equation:
2H⁺(aq) + 2e⁻ → H₂(g)
The EMF of this reaction is dependent on the pressure of hydrogen gas and the concentration of H⁺ ions in the solution. The standard EMF of a hydrogen electrode is zero when the pressure of hydrogen gas is 1 atm and the concentration of H⁺ ions is 1 M.
Answer:
(c) 1.0 atm
Explanation:
To achieve a zero EMF of a hydrogen electrode, the pressure of hydrogen gas should be 1 atm. This is because the standard EMF of a hydrogen electrode is calculated at a pressure of 1 atm. Therefore, to achieve this standard condition, the pressure of hydrogen gas should also be 1 atm.
Option (a) 1times10^(-7) atm and option (b) 1times10^(-14) atm are not correct because they are very low pressures of hydrogen gas. These pressures are associated with the concentration of H⁺ ions in the solution, not the pressure of hydrogen gas.
Option (d) 0.0 atm is not correct because the reaction cannot occur without the presence of hydrogen gas. Therefore, the pressure of hydrogen gas cannot be zero.
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For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm?
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For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm?.
For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For the EMF of a hydrogen electrode to be zero the pressure of hydroen required in neutral pH is: (a) 1times10^(-7) atm (b) 1times10^(-14) atm (c)1.0atm (d) 0.0atm?.
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