Mark as true or false, the reaction of H+ and OH- to form water is highly exothe
ID: 1040029 • Letter: M
Question
Mark as true or false, the reaction of H+ and OH- to form water is highly exothermic process
A) this neutralization reaction proceeds faster at a cooler temperature as dictated by le chatelier's principle
B) this neutralization reaction proceeds faster at a higher temperature as dictated by le chatelier's principle
C) as a first approximation, temperature has no effect on the rate of the reaction
D) le chatelier's principle has nothing to do with the rate of a reaction
E) as a general rule, most ionic reactions occur at a diffusion controlled rate, i.e limited by speed with which two ions approach each other
Explanation / Answer
A) TRUE - this neutralization reaction proceeds faster at a cooler temperature as dictated by le chatelier's principle
Because exothermic reactions are favoured by low temperature as per Lechatleier's priciple
B) FALSE - this neutralization reaction proceeds faster at a higher temperature as dictated by le chatelier's principle
C) FALSE - as a first approximation, temperature has no effect on the rate of the reaction
D) TRUE - le chatelier's principle has nothing to do with the rate of a reaction
It just explains about the shift of equilibirum position by change the variable factors but not about the rate.
E) TRUE - as a general rule, most ionic reactions occur at a diffusion controlled rate, i.e limited by speed with which two ions approach each other
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