AP EAMCET · Chemistry · Electrochemistry
Assertion (A) : A current of \(96.5 \mathrm{~A}\) is passed into aqueous \(\mathrm{AgNO}_3\) solution for \(100 \mathrm{~s}\). The weight of silver deposited is \(10.8 \mathrm{~g}\) (At. wt. of \(\mathrm{Ag}=108)\)Reason (R) : The mass of a substance deposited during the electrolysis of an electrolyte is inversely proportional to the quantity of electricity passing through the electrolyte.
The correct answer is :
- A Both (A) and (R) are true and (R) is the correct explanation of (A)
- B Both (A) and (R) are true but (R) is not the correct explanation of (A)
- C (A) is true but (R) is false
- D (A) is false but (R) is true
Answer & Solution
Correct Answer
(C) (A) is true but (R) is false
Step-by-step Solution
Detailed explanation
\(i=96.5 \mathrm{~A}, t=100 \mathrm{~s}\) \(w=108\) \(Q=i t\) \(Q=96.5 \times 100=9650 \mathrm{C}\) \(\because 96500\) coulomb deposited wt. of \(\mathrm{Ag}=108 \mathrm{~g}\) \(\therefore 9650\) coulomb deposited wt. of Ag \(=\frac{108 \times 9650}{96500}\) So, statement…
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