What is the rate equation developed from your data? Explain why the result is or

Question

What is the rate equation developed from your data? Explain why the result is

or is not in agreement with the expected result?

Add 1.0 mL of 0.1M 2-chloro-2-methylpropane in ethanol to each test tube (This is only added to the first two mixtures)

To 1.0 mL 0.1 M silver nitrate in ethanol, add 2.0 mL of ethanol and mix. (reaction occurred in 2 seconds.)

To 0.5 mL of a 0.1 M silver nitrate in ethanol , add 2.5 mL of ethanol and mix. (reaction occurred in 1.5 seconds)

Add 1 mL of 0.1 M silver nitrate in ethanol to each of the test tubes. (This is only added to the last two)

Add 0.5 mL of 0.1 M 2-chloro-2-methylpropane in ethanol, add 2.5 mL of ethanol and mix. (reaction occurred in 6.5 seconds)

To 1.0 mL of 0.1 M 2-chloro-2-methylpropane in ethanol to another clean, add 2.0 mL of ethanol and mix. ( reaction occurred in 22 seconds)

Use the four recorded times for precipitate to form to determine the Rate Law for the reaction.

Explanation / Answer

There are two mechanisms for nculeophilic substitution.The SN2 reaction involves a one step concerted displacement of the leaving group by a nucleophile with inversion configuration.The SN2 reaction is a two step reaction involves loss of the leaving group to form of carbocation intermediate followed by attack by a weak nucleophile with loss stereochemistry.

0.5 ML of 01M 2 chloromethylpropane in ethanol.add 2.5 ml ethanol And Mix (retion occured in 6.5 seconds)

A Solution AgNO3 in ethanol was used for SN1 reaction.Ethanol is a very polar protic solvent and silver ion forms strong bond.A solution of athanol with AgNO3 added will provide weak nucleophile the alcohal.A few drops of 2 Chloromethylpropane in ethanol is added. If an SN1 reaction occurs, the alkyl halide(2 chloromethylpropane) will dissociate to form a cabocationwhich will then react with the ethanol to form ether.the halide ion will combine with silver ion from the silver nitrate to form a silver halide precipitate which will tell us that reaction is occured.

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