AP EAMCET · Chemistry · Electrochemistry
When electric current is passed through acidified water for \(1930 \mathrm{~s}, 1120 \mathrm{~mL}\) of \(\mathrm{H}_2\) gas is collected (at STP) at the cathode. What is the current passed in amperes?
- A \(0.05\)
- B \(0.50\)
- C \(5.0\)
- D \(50\)
Answer & Solution
Correct Answer
(C) \(5.0\)
Step-by-step Solution
Detailed explanation
Electrolysis of water takes place as follows \[ \mathrm{H}_2 \mathrm{O} \rightleftharpoons \underset{\text { cathode }}{\mathrm{H}^{+}}+\underset{\text { anode }}{\mathrm{OH}^{-}} \] At anode…
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