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Home/Reaction kinetics

rate Laws

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Question#1

When the concentration of A in the reaction \( A + B \leftrightarrow AB \)  is doubled, the rate of reaction will be [MP PMT 2002] 

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Question#2

The decomposition of phosphorous pentachloride in the presence of moisture takes place by the following mechanism MDCAT2019

\( PCl_5 + H_2O \rightarrow POCl_3 +2HCl (slow step) \) 

\( POCl_3 + 3H_2O \rightarrow H_3PO_4 +3HCl (Fast step) \) 

\( PCl_5 + 4H_2O \rightarrow H_3PO_4+5HCl (overall reaction) \) 

The rate equation for this reaction will be  

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Question#3

For a reaction \( 2NO + O_2 \leftrightarrow 2NO_2 \) the rate equation for the forward reaction is MDCAT2014

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Question#4

The data for the reaction
A + B →C is [CBSE PMT 1994]

Exp [A0] [B0] Initial rate
1 0.012 0.035 0.10
2 0.024 0.070 0.80
3 0.024 0.035 0.10
4 0.012 0.070 0.80

The rate law corresponds to the above data is

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Question#5

Which of these does not influence the rate of reaction
[KCET 2005]

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1.    Introduction To Fundamental
         Atomic Mass
         Empirical formula
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6.    Chemical Equilibrium
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         Common ion effect
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7.    Reaction kinetics
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9.    Electrochemistry
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         Reactions of group 1 elements( Alkali metals)
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         Trend in solubility of nitrates, hydroxides, oxides, sulphates and carbonates of G_IAand G-lIA elements
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         Reaction of Period 3 element with water, oxygen and chlorine
12.    Transition Elements
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13.    Fundamental Concepts of Organic Chemistry
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         Classification of organic compounds based on carbon skeleton
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14.    Chemistry Of Hydrocarbons
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         Preparation of alkenes
         Preparations Of alkynes
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15.    Benzene
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         Predicting Relative acidity of alcohols
         iodoform test
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17.    Alkyl halides
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         Reactivity of Alkyl halides
         SN1 & SN2
         E1 & E2
         Nucleophile and Base
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         Organomettalic Compound (Grignard Reagent)
18.    Aldehyde and ketones
         Nomenclature and structure of Aldehyde and ketones
         preparation of Ald & Ket
         Relative Reactivity of carbonyls
         Addition Of HCN and NaHSO3 to Carbonyls
         Aldol condensation
         Cannizaro's reaction
         Addition Elimination reactions
         oxidation reduction Reactions of carbonyls
         Identifications Reactions
19.    Carboxylic acid
         Nomenclature
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         Preparation of carboxylic acid by ( carbonation of Grignard reagent, Hydrolysis of Nitriles, oxidation of alcohols and aldehydes , oxidative cleavage of Alkene,
         Reaction involving H-atom of the carboxylic acid
         Reaction involving the OH-group of carboxylic acid
         Reaction involving Carboxyl group (-COOH)
         Acidity
         Tests for carboxylic Group
         Preparation and Reactions of carboxylic acid derivatives
20.    Macromolecules