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Chemistry
A Level

Describe how to test for and identify halide ions in a solution.

First acidify the solution using dilute nitric acid, then add silver nitrate. The silver ions should react with the halide ions to form a precipitate, with colour depending on which halide ion is...

Answered by Connor C. Chemistry tutor
4007 Views

Write equations for the reaction of propanoic acid with methanol and name any organic products.

This reaction is the formation of an ester because the reactants are a carboxylic acid and an alcohol.
Propanoic acid has 3 carbons and will have the functional group COOH:
CH3CH...

Answered by Bethan H. Chemistry tutor
31454 Views

Explain the reasons for the changes in reactivity of Phenol, Benzene and MethylBenzene

The changes in reactivity are due to the electron donating/withdrawing properties of the substituted groups. For example the OH group in Phenol is electron donating. This means the electron density of the...

Answered by Adam D. Chemistry tutor
4175 Views

How and why does sp3 hybridization occur?

1st consider the bonding in methane, CH4. The carbon atom forms 4 single covalent bonds to hydrogen atoms. However, when we consider the electronic configuration of Carbon (electrons-in-box not...

Answered by Farah D. Chemistry tutor
10759 Views

Explain what is meant by the term "rate of reaction".

A change in the concentration of reactants or products per unit time

Answered by Filip H. Chemistry tutor
1982 Views

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