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Electrochemical Kinetics - Transport Phenomena and Rate Processes - Metallurgical Engineering Previous Year Questions
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| Paper name | Year | Attempt | |
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Metallurgical Engineering (MT) 20212021 | 2021 |
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2021 · Metallurgical Engineering · Transport Phenomena and Rate Processes · Electrochemical Kinetics
Metallurgical Engineering (MT) 2021
At 25 °C, iron corrodes in a deaerated acid of pH 3 with a corrosion current density of \( 4 \) \( \mu \)A cm-2. The corrosion potential (V) is: ______ (round off to 2 decimal places).
Given: \( \beta_c = 0.1 \) V per decade of current density
Exchange current density of hydrogen on iron surface = \( 10^{-9} \) A cm-2
\( R = 8.314 \) J mol-1 K-1, \( F = 96500 \) C mol-1
All potentials are with reference to standard hydrogen electrode.
Given: \( \beta_c = 0.1 \) V per decade of current density
Exchange current density of hydrogen on iron surface = \( 10^{-9} \) A cm-2
\( R = 8.314 \) J mol-1 K-1, \( F = 96500 \) C mol-1
All potentials are with reference to standard hydrogen electrode.