1.

Equal volumes of C2H2 & H2 are combusted under identical condition. What will be the ratio of heat evolved for C2H2 and H2?
H2 (g) + 1/2 O2(g) H2O(g), H=-241.8 KJ

A. nC<sub>2</sub>H<sub>2</sub> (g) + 5/2 O<sub>2</sub>(g) CO<sub>2</sub>(g) + H<sub>2</sub>O(g), H=-1300 KJ
B. 5.37/1
C. 1/5.37
D. 1/1
E. 2.8/6.1
Answer» C. 1/5.37


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