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Investigating how the rate of hydrolysis of halogenoalkanes varies.

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  • Essay length: 539 words
  • Submitted: 11/07/2002
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GCSE Radioactivity

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Investigating how the rate of hydrolysis of halogenoalkanes varies.

Aim

To investigate how the rate of hydrolysis of a halogenoalkane varies.

Hypothesis

1-iodobutane will produce a yellow precipitate of silver iodide quicker because it has the lowest bond enthalpy and 1-bromobutane will produce a white precipitate before 1-chlorobutane because the strength of the bond decreases.

I also think that it becomes easier for the bond between the carbon atom and the halogen to break.

Introduction

A halogenoalkanes are compounds made up of Carbon, Hydrogen and halogen atoms such as Fluorine, F, Chorine, Cl, Bromine, Br and Iodine I. Their general formula is CnH2n+1X. They are named by prefixing the name of the alkane with fluro, chloro, bromo and iodo respectively. So CFCs are Chloro Fluoro Carbons etc

Because Halogens are Electronegative attaching one to a carbon atom would create a Polar Covalent Bond. Therefore the carbon atom provides the C + atom which can be attracted by a nucleophiles.

Halogenoalkanes are classified according to their structures, primary, secondary and tertiary.

In a primary halogenoalkane the halogen atom is covalently bonded

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