Which of the following reactions of methane is incomplete combustion?

2 C H_{4} + O_{2} C u / 523 K / 100 a t m - ---------- \to 2 C H_{3} O H

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C H_{4} + O_{2} M o_{2} O_{3} - --- \to H C H O + H_{2} O

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C H_{4} + O_{2} \to C_{(s)} + 2 H_{2} O (l)

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C H_{4} + 2 O_{2} \to C O_{2} (g) + 2 H_{2} O_{(l)}

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Solution

The correct option is D $C H_{4} + O_{2} \to C_{(s)} + 2 H_{2} O (l)$
In complete combustion, Methane releases $C O_{2} a n d H_{2} O$ . Hence, the reaction $C H_{4} + O_{2} ⟶ C_{(s)} + 2 {H_{2} O}_{(l)}$ shows incomplete combustion.

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Similar questions

C (s) + O_{2} (g) \to {C O}_{2} (g) + 94.2 k c a l

H_{2} (g) + \frac{1}{2} O_{2} (g) \to H_{2} O (l) + 68.3 k c a l

{C H}_{4} + 2 O_{2} (g) \to {C O}_{2} (g) + 2 H_{2} O (l) + 210.8 k c a l

k c a l

C_{(s)} + O_{2 (g)} \to C O_{2 (g)};

Δ H = - 394 k J

2 H_{2 (g)} + O_{2 (g)} \to 2 H_{2} O_{(l)};

Δ H = - 568 k J

C H_{4 (g)} + 2 O_{2 (g)} \to C O_{2 (g)} + 2 H_{2} O_{(l)};

Δ H = - 394 k J

C H_{4}