Chemical Reaction Engineering II Set 1

the order of reaction is 1 and molecularity is 2 ✘ the order of reaction is 2 and molecularity is 2 ✘ the order of reaction is 2 and molecularity is 1 ✘ the order of reaction is 1 and molecularity is 1 ✔

activation energy ✘ binding energy ✘ threshold energy ✘ thermal energy ✔

thermo-nuclear reaction ✘ endothermic reaction ✘ exothermic reaction ✘ photochemical reaction ✔

exothermic reaction ✘ endothermic reaction ✘ thermo-chemical reaction ✘ photochemical reaction ✔

Synthesis of water by passing electric sparks through a mixture of hydrogen and oxygen ✘ Neutralization of a dilute alkali solution by a small amount of a conentrated acid ✘ Hydrolysis of an ester in the presence of H+ ✘ Darkening of silver halides in light ✔

H2(g) and O2(g) have a higher chemical energy than water ✘ H2(g) and O2(g) have a higher temperature than water ✘ H2(g) and O2(g) have a lower chemical energy than water ✘ energy considerations do not arise ✔

have more energy than the products ✘ have less energy than the products ✘ have as much energy as the products ✘ are at a higher temperature than the products ✔

an endothermic reaction ✘ an exothermic reaction ✘ a photochemical reaction ✘ a biochemical reaction ✔

they are exothermic reactions ✘ they are endothermic reactions ✘ the energy of the reacting molecules exceeds the activation energy by absorption of light ✘ they are reversible reactions ✔

oxidation ✘ polymerization ✘ condensation with water ✘ a photochemical reaction ✔