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Chemistry
A Level

How do heterolytic catalysts work?

What are catalysts? They are substances that speed up the rate of reaction by providing a favourable pathway, of lower activation energy, for the reaction to proceed. A heterogeneous catalyst is one that ...

DM
Answered by Dhylan M. Chemistry tutor
4100 Views

Explain the unusually high boiling point of HF

  • Due to the high electronegativity of flourine hydrogen bonds can be formed between HF molecules. - Hydrogen bonds require more energy to break that London Forces. - The other haloge...
CG
Answered by Chloe G. Chemistry tutor
29029 Views

Write a half-equation for the overall oxidation of ethanol into ethanoic acid.

 Answer:

CH3CH2OH + H2O CH3COOH + 4H+ + 4e– 

The question requests a half equation and so it is acceptable to write electrons and unpaired Hydrogen ions, so long as the charge overall is bal...

HS
Answered by Harry S. Chemistry tutor
24774 Views

How does the anticancer agent cisplatin work?

(The molcule of Cisplatin is made up of a central platinum atom covalently bonded to two ammonia (NH3) groups and two chlorine (Cl) atoms and has a square planar structure). Cisplatin works as an anticanc...

JS
Answered by James S. Chemistry tutor
6515 Views

Order the relative base strength of phenyl amine, methyl amine and methylphenyl amine and outline your reasoning.

Phenyl amine is the weakest base- the benzene group has a negative inductive effect on the lone pair on the nitrogen. Therefore it is less availiable for donation.

Methyl amine is the strongest- th...

TF
Answered by Thomas F. Chemistry tutor
4212 Views

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