GATE XE · 2019 · XE-C
Question 14: Degradation of Materials
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Question 14
XE-CNAT2 marksNeeds review
Nickel corrodes at 298 K in a solution of 0.06 M nickel chloride having pH 4. Assuming complete dissociation of nickel chloride, the partial pressure of hydrogen required to stop the corrosion of nickel is _____ atm. (round off to the nearest integer)
(Given: Standard reduction potential of nickel = −0.25 V, Faraday’s constant = 96500 C mol⁻¹, Universal gas constant = 8.314 J K⁻¹ mol⁻¹)
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2019XE-C
GATE XE 2019 · Paper 1
Engineering Sciences · Original paper archive
- Section
- Section XE-C
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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