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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
Charge required to deposit 20 x 10-3 g,
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Most Upvoted Answer
If 96500 coulombs of electricity liberates one gram equivalent of any ...
5 Amperes is 5 culombs pesr second 5C/S
so the total charge in 30 minutes is Quite=
5c/s ×30 min × 60s/min =9000c
Then the number of mole of copper plated
out (n) is
n=Q zF where z is the number of elections
in the half cell reaction
and F is the Farday constant = 96.485/mtol
so n =900 / (2×2699) =2.969

so 2.96 grams are plated deposited at catode
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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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