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Electrochemistry question

2023 · 13 Apr · Shift 1 · Q20
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  5. /2023 · 13 Apr · Shift 1 · Q20

Electrochemistry question

2023 · 13 Apr · Shift 1 · Q20

JEE MainChemistryElectrochemistryNumerical+4 / −1
A metal surface of 100 cm2100 \mathrm{~cm}^{2}100 cm2 area has to be coated with nickel layer of thickness 0.001 mm0.001 \mathrm{~mm}0.001 mm. A current of 2 A2 \mathrm{~A}2 A was passed through a solution of Ni(NO3)2\mathrm{Ni}\left(\mathrm{NO}_{3}\right)_{2}Ni(NO3​)2​ for 'x\mathrm{x}x' seconds to coat the desired layer. The value of x\mathrm{x}x is ‾\underline{\hspace{2cm}}​. (Nearest integer) (ρNi\rho_{\mathrm{Ni}}ρNi​(density of Nickel) is 10 g mL10 \mathrm{~g} \mathrm{~mL}10 g mL, Molar mass of Nickel is 60 g mol−160 \mathrm{~g} \mathrm{~mol}^{-1}60 g mol−1F=96500 C mol−1)\left.\mathrm{F}=96500 ~\mathrm{C} ~\mathrm{mol}^{-1}\right)F=96500 C mol−1)
Numerical answer
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