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The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1?
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The same quantity of electricity is passed through two electrolytic ce...
If u pass 2 mole of electron(2e-) in nacl ..... then one mole of Cl2 produce whereas ...in dil.H2SO4 you have to pass 4 mole of electrons(4e-)....to produce one mole of O2therefore in 4e- ...2 mole Cl2 and 1 mole O2 produce2:1
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The same quantity of electricity is passed through two electrolytic ce...
Explanation:
Electrolysis of NaCl:
- In the electrolysis of NaCl, at the anode, Cl2 gas is evolved.
- The reaction at the anode is: 2Cl- → Cl2 + 2e-
- Therefore, 1 mole of Cl2 is evolved per 2 moles of electrons.
Electrolysis of H2SO4:
- In the electrolysis of Dil H2SO4, at the anode, O2 gas is evolved.
- The reaction at the anode is: 4OH- → O2 + 2H2O + 4e-
- Therefore, 1 mole of O2 is evolved per 4 moles of electrons.
Comparison:
- For NaCl electrolysis: 1 mole of Cl2 is evolved per 2 moles of electrons.
- For H2SO4 electrolysis: 1 mole of O2 is evolved per 4 moles of electrons.
Volume of Cl2 and O2 evolved:
- When the same quantity of electricity is passed through both cells, the number of moles of electrons passing through each cell is the same.
- Since 1 mole of Cl2 is evolved per 2 moles of electrons in the NaCl cell, and 1 mole of O2 is evolved per 4 moles of electrons in the H2SO4 cell, the volume ratio of Cl2 to O2 evolved is 1:2.
Conclusion:
- Therefore, the correct answer is option b) 1:2, as the volume of Cl2 and O2 evolved at the anode under the same conditions of temperature and pressure is in the ratio of 1:2.
Electrolysis of NaCl:
- In the electrolysis of NaCl, at the anode, Cl2 gas is evolved.
- The reaction at the anode is: 2Cl- → Cl2 + 2e-
- Therefore, 1 mole of Cl2 is evolved per 2 moles of electrons.
Electrolysis of H2SO4:
- In the electrolysis of Dil H2SO4, at the anode, O2 gas is evolved.
- The reaction at the anode is: 4OH- → O2 + 2H2O + 4e-
- Therefore, 1 mole of O2 is evolved per 4 moles of electrons.
Comparison:
- For NaCl electrolysis: 1 mole of Cl2 is evolved per 2 moles of electrons.
- For H2SO4 electrolysis: 1 mole of O2 is evolved per 4 moles of electrons.
Volume of Cl2 and O2 evolved:
- When the same quantity of electricity is passed through both cells, the number of moles of electrons passing through each cell is the same.
- Since 1 mole of Cl2 is evolved per 2 moles of electrons in the NaCl cell, and 1 mole of O2 is evolved per 4 moles of electrons in the H2SO4 cell, the volume ratio of Cl2 to O2 evolved is 1:2.
Conclusion:
- Therefore, the correct answer is option b) 1:2, as the volume of Cl2 and O2 evolved at the anode under the same conditions of temperature and pressure is in the ratio of 1:2.
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The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1?
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The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1?.
The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The same quantity of electricity is passed through two electrolytic cells containing NaCl and Dil H2SO4. the volume of Cl2 and O2 evolved at the anode at the same condition of the temperature and pressure a) 1:1 b) 1:2. c) 2:1. d) 4:1?.
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