wzorowane8 pktotwarteśrednie (szac.)
In moist air carbonyl dibromide is slowly hydrolyzed: (i) Suggest a method of monitoring the progress of this reaction at constant temperature so that its rate can be determined. (ii) Outline two reasons why a…
Collision theory
Explain that particles react only when they collide with enough energy and the right orientation, relate the average kinetic energy of particles to temperature in kelvin, and describe how collision geometry affects the chance of a successful collision.
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wzorowane7 pktotwartetrudne (szac.)
Compound Y undergoes nucleophilic substitution with a hydroxide nucleophile. (i) Describe the movement of electron pairs during the reaction using curly arrows. (ii) Contrast homolytic and heterolytic fission of the C–Cl bond in compound Y. (iii) Explain,…
wzorowane1 pktzamknięteśrednie (szac.)
The rate of the reaction between hydrogen and iodine vapour increases markedly when the temperature is raised from 500 K to 550 K. What is the main reason for this increase? A. The activation energy of the reaction is lowered. B. Molecules collide more…