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A white substance is placed on the table in front of you, explain what methods/techniques you could use to determine what compound the substance is

Melting point, NMR, Mass spectrometry, IR spectroscopy
GI
Answered by Gavin I. • Chemistry tutor
2940 Views

In organic chemistry, how can functional groups be easily identified and how can I memorise organic mechanisms?

For both As and A-level, knowing functional groups for organic chemistry is essential. The easiest way to identify functional groups is to understand which bonds are characteristic for the functional group. ...
NS
Answered by Niamh S. • Chemistry tutor
6006 Views

A solution of ethanoic acid is made by dissolving 3g of pure liquid propanoic acid in 500cm^3 water. Given the pH of the solution is 2.98, calculate Ka.

Before using numbers from the question: 1)What is pH? pH = -log[H + ] Square brackets mean concentration of H+ so we need to convert given pH to [H + ] in the weak acid coefficient 2) To find the concentrati...
SH
Answered by Sofia H. • Chemistry tutor
3739 Views

Explain why water has a higher boiling point than hydrogen iodide.

Water has a greater boiling point than hydrogen iodide as water has hydrogen bonds, whereas iodine only has permenant dipole-dipole interactions. Hydrogen bonds are stronger than permenant dipole-dipole inte...
MJ
Answered by Matthew J. • Chemistry tutor
13221 Views

What is Hund's rule?

Electrons occupy every orbital in each subshell once and then occupy the full orbital with both electrons
IN
Answered by Intesar N. • Chemistry tutor
3188 Views