InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Electrochemical equivalent for copper is `3.2xx10^(-7) kg C^(-1)` An electric current of 3.0 A is passed through a copper voltamater for one minture .How much will be deposited during electrolysis? |
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Answer» Correct Answer - `5.76xx10^(6) kg` |
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| 2. |
A current o f1.5 A is passed through a silver voltameter for 35 minutes .The mass of silver deposited during electrolysis is 3.528 g Calculate the electrochmical equivalent of silver. |
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Answer» Correct Answer - 0.00112g/c |
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| 3. |
A copper voltameter and an ammeter are connected in series with a battery through a resistance In 50 minutes 0.99 g Copper is deposit on the plates the ammeter reasds 0.95 A Calculate the error inits reading ECE of copper is `0.0003g C^(-1)` |
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Answer» Correct Answer - 0.05A |
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| 4. |
A copper and a silver voltameter are connected are connected in series .How much sliver will be depsoited in the sliver volameter when 0.5 g of copper is depsited in the copper voltameter .Chmical equivalents o fcopper and silver are 32 and 108 respectively . |
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Answer» Correct Answer - 1.68 g |
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| 5. |
Asilver and a copper voltameter are connected in parallel across a 6 V battery of neglible internal resistance .In half , 1g of copper and 2 g of silver are deposited .Calculate the rate at which the energy is supplied and 2 g of silver are that ECE of Copper is `3294xx10^(-7) gC^(-1)` and that of silver is `1118xx10^(-6) g C^(-1)` |
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Answer» Correct Answer - 16.086 W |
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| 6. |
A currect passes through an a coil of wire `200 Omega` immerseresed ina vessel containg 2 kg of water and then sent through a copper voltameter .It is found that temperature .It is found that temperature of water ries `5^(@)` C per minute .How much copper is deposited per minute ? ECE of copper `=3.3xx10^(-4) g C^(-1)` |
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Answer» Correct Answer - `3.7xx10^(-2) g` |
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