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Chemistry
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Explain why ethanol has a higher boiling point than ethene (3)

I would recommend drawing both molecules to identify the key functional groups and relative sizes of the two molecules before attempting to write an answer. Answer: Ethanol molecules have hydrogen bonding...

EF
Answered by Edward F. Chemistry tutor
5124 Views

How would you expect the H-NMR spectrum of ethanol to differ from the H-NMR spectrum of ethane?

First, draw out both molecules as this will make the comparison much easier. Count the number of different hydrogen environments in each molecule to determine the number of H-NMR peaks. Count the number o...

EF
Answered by Edward F. Chemistry tutor
5219 Views

Ethane-1,2-diol can be dissolved in water to act as an anti-freeze in car radiators. Explain why ethane-1,2-diol is very soluble in water. (2)

Has O–H (bonds)OR has hydroxyl (groups) OR has hydroxy (groups)
Forms hydrogen bonds with water (molecules)

PQ
11344 Views

outline the mechanism for the nitration of methyl benzoate and show how sulfuric acid behaves as a catalyst

You will be given the equationThis reaction is an electrophilic substitution which is the most common reactions among benzene groups that you will come across at A levelThe question tells you that it is a...

MA
Answered by Monica A. Chemistry tutor
4904 Views

How have ideas about atomic structure changed through history?

The Greeks were the first to think of atoms, Democritus defined an atom as the smallest indivisible piece of matter using the idea that if you continue to cut a material in half, you must eventually reach...

SW
Answered by Scott W. Chemistry tutor
2961 Views

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