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Summary Chemical Kinetics
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Handwritten cheat sheet for Chemical Kinetics by JEE 2020, GATE, and CSIR topper
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atharvashinde
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Chemical kineticReaction inwolng ioic species are iecte very
fast. hese eaion ipvolve. ie only ions and no
bonds are bscken lo to lo
Rate of sreaction is defined as he
he. change.
xate of eachon pex unit ime
Rate. of xeactiorn -Change in conc.
time taken
R.O.R= -AR]
At
Ap] represents molaxity
At
dn the above fozmulae staich. coeff of seactant
ex Pls -
At
Consider A+ B 2C
Qx Rate aF disappeaxence. afA =2x Rate oF disappeaxence B
=Rate of appeakence oF c
e -ALA] =-AB7 = LAlc]
2 AA
At
Fox a gaseoug reachon at const temp. partal
parecsUKe is can be usec instec of concentratia
dnetontnneoue ateg ake defined as-dR)_ or dp]
dt
dn genexalaA +bB cct dD
Ro.R. = dAlzdB) dcl=ldpl
d
a dt
, Factors iofluencing xate of chemical reachon
D Conc of reacing speeies 5) Susface aKea
2 Temp. of system
2)
6) Expasuse toradiahon
a) Natue of neatant &produck Prsctuct
a) Presene of catayet
Deoregig conc ot teactat
"The change in conc. ot
ome
reactunt is
is sapid in the
begining but vexyslao in the Fnal stoge
gaseous reachonhe intease in peSEUKe
incxe0seg ROR
Rate- k AlB]kis rate constant
laxger k means fostex seachon
A const. temp. te value of k is const
A and
charncterishe of reachion
4 is independent oF conc.
ts unit depends upon he order of rxn
Oxdex of a reachoni- The sum of the powers to
which he cena teme are saised in the ate ac
leqn. Ratez kreachorn
[ATE* isns y
cuhen n=l oclex
n:2
n=3
n= fractional odes is frachonal
Ex Decomposition oF acetuldehyde
Zeso oxdex reaction Rate of seachon is independe
of concentration oF reactant
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