Recently, India's first green hydrogen-based advanced fuel cell electr

Recently, India’s first green hydrogen-based advanced fuel cell electric vehicle (FCEV) was launched. It has no tailpipe emissions other than

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Hydrogen peroxide

Nitrogen

Oxygen

Water

Answer is Right!

Answer is Wrong!

This question was previously asked in

UPSC CDS-2 – 2022

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A fuel cell electric vehicle (FCEV) powered by hydrogen uses a fuel cell to convert hydrogen and oxygen into electricity, which powers the vehicle’s motor. The primary byproduct of this electrochemical reaction is water (H₂O). The tailpipe emission is essentially just water vapor.

– Fuel cells combine hydrogen (the fuel) and oxygen (from the air) in a chemical reaction to produce electricity, with water and heat as outputs.
– FCEVs are considered zero-emission vehicles at the tailpipe.

Hydrogen peroxide (H₂O₂) is a different chemical compound and is not produced in this process. Nitrogen is the main component of air but is not a product of the fuel cell reaction. Oxygen is consumed in the reaction, not emitted.

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