Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Photochemical Both B and C Very fast Very slow Photochemical Both B and C Very fast Very slow ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The half life period of a first order reaction is given by (where, K = rate constant. ) 0.693/K 1.5 K 6.93 K 2.5 K 0.693/K 1.5 K 6.93 K 2.5 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst in a chemical reaction Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species Decreases the activation energy Alters the reaction mechanism All of these Increases the frequency of collisions of reacting species 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. Equal to More than Equal to or more than Less than Equal to More than Equal to or more than Less than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With decrease in temperature, the equilibrium conversion of a reversible endother- mic reaction Increases Increases linearly with temperature Remains unaffected Decreases Increases Increases linearly with temperature Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is higher Initial concentration of the reactants remains constant Free energy of activation is lower Entropy changes Free energy of activation is higher Initial concentration of the reactants remains constant Free energy of activation is lower Entropy changes ANSWER DOWNLOAD EXAMIANS APP
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