Physical Chemistry

1

kamalendu ghosh ·2009-03-28 00:19:58

I meant ... mani pals...xplanation to b is correct...it is the same that is given in CAREER POINT.....

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Ð”Ð²Ò¥Ñ—ÑuÏ now in medical c ·2009-03-28 00:48:04

okie... i think i have an example.....

in base catalysed hydrolysis of ester....we have the concentration base in rate rxn ...m i rite??

have u edited ur post???? i saw sumthing else....

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Mani Pal Singh ·2009-03-28 00:46:44

H⁺

I HAVE NO MIND TO MIND
LOLLLLLLLLLLLLZZZZZ[3][3][3]

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Ð”Ð²Ò¥Ñ—ÑuÏ now in medical c ·2009-03-28 00:46:00

which one is catalyst there??....plz dont mind

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11

Mani Pal Singh ·2009-03-28 00:44:29

LOOK AT #13

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Ð”Ð²Ò¥Ñ—ÑuÏ now in medical c ·2009-03-28 00:43:58

can anyone give an example where catalysts are in rate rxn...

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Mani Pal Singh ·2009-03-28 00:41:37

yes
but they effect the rate so they appear is rate law
so the2nd statement that only reactants and products r present is false

MOREOVER IN CASE OF MULTIPLE STEPS THAT REAGENT COULD APPEAR WHICH TOOK PART INA QUICK STEP

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kamalendu ghosh ·2009-03-28 00:34:34

Hey...manipal....catalysts altr the rate of a reaction..but do not take part in it...isnt it??

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Mani Pal Singh ·2009-03-28 00:27:43

this should clear ur doubts about catalyst[1]

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Mani Pal Singh ·2009-03-28 00:24:10

LOOK IN THIS REACTION
H⁺
I₂+CH₃COCH₃--------------------------------------------------->CH₂ICOCH₃+HI

THE RATE LAW IS K[CH₃COCH₃][H⁺]

(source my notebook)

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1

kamalendu ghosh ·2009-03-28 00:07:17

multiple correct

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1

Pavithra Ramamoorthy ·2009-03-28 00:16:51

they r orders...........................

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skygirl ·2009-03-28 00:15:43

and who told yuo 3/2 and 1 are stoichiometric coeff ??

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kamalendu ghosh ·2009-03-28 00:15:35

@ manipal....Ur solution is right but hw can catalysts be a part of rate law???? plz...zplain..

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Pavithra Ramamoorthy ·2009-03-28 00:13:38

srry man......... gave a stupid explanation.............

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kamalendu ghosh ·2009-03-28 00:12:57

Can u expalin again....Ram???

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Mani Pal Singh ·2009-03-28 00:12:27

ANSWERS ARE

B C

B----> CATALYST CAN ALSO BE PART OF RATE LAW
C----->RATE IS IDEPENDENT OF THE STOICHIOMETRIC COEFFICIENTS[1][[1][1]

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1

Pavithra Ramamoorthy ·2009-03-28 00:10:49

incorrect ........................c)

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kamalendu ghosh ·2009-03-28 00:10:04

no answers areb and c

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Ð”Ð²Ò¥Ñ—ÑuÏ now in medical c ·2009-03-28 00:08:15

(D)

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