Chemical Reaction Engineering For a first order chemical reaction, the rate constant Is not a function of the unit of time None ofthese Changes on changing the concentration units Has unit of time⁻¹ Is not a function of the unit of time None ofthese Changes on changing the concentration units Has unit of time⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The concentration of A in a first order reaction, A → B, decreases Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time Linearly with time Logarithmically with time Very abruptly towards the end of the reaction Exponentially with time ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for half change is independent of the initial concentration Time for completion of the reaction is independent of the initial concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a homogeneous reaction of nth order, the dimension of the rate constant is given by (concentration)n - 1/(time) L/(time)n None of these (concentration)1 - n/(time) (concentration)n - 1/(time) L/(time)n None of these (concentration)1 - n/(time) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction. More than Less than Equal to Equal to or more than More than Less than Equal to Equal to or more than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. Half Equal None of these Twice Half Equal None of these Twice ANSWER DOWNLOAD EXAMIANS APP
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