1.

For the gas phase reaction, C_(2)H_(4)+H_(2)hArrC_(2)H_(6)(Deltah=-32.7kcal) carried out in a vessel, the equlibrium concentration of C_(2)H_(4) can be increased by

Answer»

Increasing the TEMPERATURE
Decreasing the PRESSURE
Removing some `H_(2)`
Adding some `C_(2)H_(6)`

Solution :(ABCD) The reaction is exothermic, hence increasing temperature will FAVOUR backward reaction (i.e., conc. Of `C_(2)H_(4)` increases). Again decreasing pressure, removing `H_(2)` and adding `C_(2)H_(6)` favours backward reaction.


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