1.

Heats of combustion of CH_(4),C_(2)H_(4), C_(2)H_(6) are -890, -1411 and -1560 kJ/ "mole" respectively. Which has the lowest fuel value in kJ/g ?

Answer»

`CH_(4)`
`C_(2)H_(4)`
`C_(2)H_(6)`
all same

ANSWER :B


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