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Can you help me with the question: "State and explain the trend in boiling temperature of hydrogen halides down the group"?

So the trend is a high boiling point for HF, then a sharp decease to HCl, and then a steady increase up to HI. HF is a special case because they are held together by hydrogen bonds (as well as permanent dipo...
MY
Answered by Marie Y. • Chemistry tutor
8557 Views

Benzene reacts with Chlorine gas in the presence of iron trichloride to yield hexachlorobenzene. However, when it reacts with fluorine gas, it forms a quinoid product (I would actually draw it for them - no need to know the name). Why the difference?

Fluorine is much more reactive than chlorine, even destroying the aromaticity. This is at the expense of the very strong C-F bonds (good orbital size and energy overlap) that are formed. C-Cl bonds are weake...
RB
Answered by Radu B. • Chemistry tutor
3515 Views

Explain how a mutation in the genetic code leads to a dysfunctional enzyme.

Mutations are a random change in the nucleotide sequence in a genome. Genes code for proteins, such as enzymes, and are found in the genome. When a change in the nucleotide sequence within a gene happens, th...
BT
Answered by Benjamin T. • Biology tutor
5283 Views

Explain the VSEPR Theory.

The acronym VSEPR is short for 'Valence Shell Electron Pair Repulsion'. Consequently, the VSEPR theory is about the repulsion effect of the most chemically important valence electrons and the influence of th...
TD
4147 Views

So why do you want to study medicine?

Medicine is a field that would allow me to combine my long standing and deep rooted interest in the sciences with a real passion for helping people. Through the work experience placements I have under taken,...
LW
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