Chemical Kinetics - Result Question 44

####44. The following statement (s) is are correct

(a) A plot of logKpvs1T is linear

(b) A plot of log[X] vs time is linear for a first order reaction, xp

(c) A plot of logpvs1T is linear at constant volume

(d) A plot of pvs1V is linear at constant temperature

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Answer:

Correct Answer: 44. (b,c,d)

Solution:

  1. Equilibrium constant is related to temperature

logKp= constant ΔH2.3RT

Plot of logKpvs1/T will be a straight line.

For the first order reaction XP

log[X]0[X]=kt2.3log[X]=log[X0]kt2.3

i.e. log[X]vst ’ will give a straight line.

Also at constant temperature, pV= constant

Plot of pvs1V will give a straight line.



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