Write chemical equations for combustion reaction of the following hydrocarbons:
(i) Butane

(ii) Pentene

(iii) Hexyne

(iv) Toluene

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Solution

A combustion reaction is a reaction in which a substance reacts with oxygen gas, there is a formation of carbon dioxide, water with the evolution of light and heat.

(i) $2 C_{4} H_{10 (g)} B u t a n e + 13 O_{2 (g)} \to 8 C O_{2 (g)} + 10 H_{2} O_{(g)} + H e a t$

(ii) $2 C_{5} H_{10 (g)} P e n t e n e + 15 O_{2 (g)} \to 10 C O_{2 (g)} + 10 H_{2} O_{(g)} + H e a t$

(iii) $2 C_{6} H_{10 (g)} H e x y n e + 17 O_{2 (g)} \to 12 C O_{2 (g)} + 10 H_{2} O_{(g)} + H e a t$

(iv)

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Write chemical equations for combustion reaction of the following hydrocarbons:

(i) Butane (ii) Pentene (iii) Hexyne (iv) Toluene

(C_{4} H_{10})

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