1.

For the gas phase reaction, C_2H_4 +H_2 hArr C_2H_6,DeltaH=-136.8 kJmol^(-1) carried out in vessel the equilibrium concentration of C_2H_4 can be increases by

Answer»

INCREASING the temperature
decreasing the pressure
removing some `H_2`
ADDING some `C_2H_6`

ANSWER :A::B::C::D


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