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Neutralisation Reaction

Which of the ...

Question

Which of the following reactions is an endothermic process?

C + O₂ → CO₂; ∆H = -x kj

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2H₂ + O₂ → 2H₂O; ∆H = -y kj

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N₂ + O₂ → 2NO; ∆H = z kj

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CH₄ + 2O₂ → CO₂ + 2H₂O; ∆H = -q kj

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Solution

The correct option is C
N₂ + O₂ → 2NO; ∆H = z kj

For an endothermic process the equation is written as

A + B → C + D; ∆H = + q

So equation C is endothermic process.

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