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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: KINETICS
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[Post New]11 Mar 2008 10:40:09 IST
    Subject: KINETICS
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v_gurucharan (283)

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MOLECULARITY OF REACTION DEPENDS ON THE RATE DETERMINING STEP.(SLOWEST STEP)
 
N2O5 --->NO2+NO3(SLOWEST)
N2O5--->3NO2+O2 (FASTEST!!)
 
 
 
BUT THE MOLECULATITY IS 2!!!
WHY NOT ONE???
 
    
[Post New]11 Mar 2008 10:44:59 IST
    Subject: Re:KINETICS
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Radon222 (161)

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Molecularity of the rxn does not depend on slowest step, it is the rate of rxn and order of rxn that depend on slowest step, for finding molecularity simply add the two rxns  to  obtain overall rxn in which there are two molecules colliding to give the products so molecularity is two !
Caution: Radioactive Hazard
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[Post New]11 Mar 2008 11:05:58 IST
    Subject: KINETICS
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v_gurucharan (283)

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ANYONE ELSE????
Stay Hungry. Stay Foolish.
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[Post New]11 Mar 2008 19:13:17 IST
    Subject: Re:KINETICS
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Aatish (2303)

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For molecularity see the overall reaction.....as stated above.......
............................................................................................................................................................................................
There's Light at the end of every Tunnel, so KEEP MOVING....
Best of luck to all my mates....
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[Post New]11 Mar 2008 19:17:15 IST
    Subject: Re:KINETICS
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dream (571)

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ya..................
radon is right

molecularity depends only upon the total no of molecules taking part in reaction

it is rate of reaction that depends on slowest step of the reaction
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[Post New]11 Mar 2008 19:17:29 IST
    Subject: Re:KINETICS
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newarnav (216)

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Radon222 is almost right
My name is Arnav.
Hoping we'll meet in IIT next year !
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