The standard cell potential (Ecell ⊖) of a fuel cell based on the oxidation of methanol in air that has been used to power television relay station is measured as 1.21 V. The standard half cell reduction potential for O2(EO2/H2OO) is 1.229 V.
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Held on 3 Apr 2025 · Verified 6 Jul 2026.
The standard half cell reduction potential for the reduction of CO2(ECO2/CH3OH0) is 19 mV
Oxygen is formed at the anode.
Reactants are fed at one go to each electrode.
Reduction of methanol takes place at the cathode.
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The ratio of mass percentage (w/w) of C : H in a hydrocarbon is $12 : 1$. It has two carbon atoms. The weight (in g) of $CO_2(g)$ formed when $3.38$ g of this hydrocarbon is completely burnt in oxygen is : (Given : Molar mass in g mol$^{-1}$ C : 12, H : 1, O : 16)
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