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If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper =32)
  • a)
    5 min 20 sec
  • b)
    6 min 42 sec
  • c)
    4 min 40 sec
  • d)
    5 min 50 sec
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
If 96500 coulombs of electricity liberates one gram equivalent of any ...
Equivalent weight of copper = 32
Charge required to deposit 32 g = 96500 C
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Most Upvoted Answer
If 96500 coulombs of electricity liberates one gram equivalent of any ...
Calculation:
- First, calculate the number of gram equivalents of copper deposited:
- Gram equivalent of copper = 32g
- Amount of copper deposited = 20mg = 0.02g
- Number of gram equivalents of copper = 0.02g / 32g = 0.000625 equivalents
- Next, find the total charge required to deposit this amount of copper:
- Charge required = Number of gram equivalents * Charge per gram equivalent
- Charge per gram equivalent = 96500 coulombs
- Total charge required = 0.000625 * 96500 = 60.3125 coulombs
- Then, calculate the time taken for a current of 0.15 amperes to deposit this amount of copper:
- Time = Charge / Current
- Time = 60.3125 / 0.15 = 402.0833 seconds
Conversion:
- Convert seconds to minutes:
- 1 minute = 60 seconds
- Time in minutes = 402.0833 / 60 ≈ 6.7 minutes
Final Answer:
- The time taken for a current of 0.15 amperes to deposit 20mg of copper from a solution of copper sulphate is approximately 6 minutes and 42 seconds, which is option (b).
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If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper =32)a)5 min 20 secb)6 min 42 secc)4 min 40 secd)5 min 50 secCorrect answer is option 'B'. Can you explain this answer?
Question Description
If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper =32)a)5 min 20 secb)6 min 42 secc)4 min 40 secd)5 min 50 secCorrect answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper =32)a)5 min 20 secb)6 min 42 secc)4 min 40 secd)5 min 50 secCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for If 96500 coulombs of electricity liberates one gram equivalent of any substance, the time taken for a current of 0.15 amperes to deposite 20mg of copper from a solution of copper sulphate is (Chemical equivalent of copper =32)a)5 min 20 secb)6 min 42 secc)4 min 40 secd)5 min 50 secCorrect answer is option 'B'. Can you explain this answer?.
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