Ncert Exercises & Solutions

Question 13.8:-

Write chemical equations for combustion reaction of the following hydrocarbons:

(i) Butane

(ii) Pentene

(iii) Hexyne

(iv) Toluene

Combustion can be defined as a reaction of a compound with oxygen.

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

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

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

(iv) $+ 9 O_{2 (g)} \to 7 C O_{2 (g)} + 4 H_{2} O_{(g) + H e a t}$

Toluene

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