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Compare and contrast the structure and bonding of diamond and graphite.

1 mark each for each of these points:similarities:only contain carbon atomsatoms covalently bonded to each otherlattice structuredifferences:diamond has four covalent bonds and graphite has threediamond has ...
AC
Answered by Annabel C. • Chemistry tutor
4933 Views

A chemist has 3 beakers, each containing a pure sample of acetone (2-propanone), isopropanol (2-propanol) and propanal. Using chemical techniques, suggest how the chemist may be able to determine which beaker contains which sample. [4]

Brady's reagent is an orange solution of 2,4-dinitrophenylhydrazine which reacts with carbonyl containing functional groups to produce an orange precipitate (2,4-dinitrophenylhydrazone derivative of the carb...
SM
Answered by Stephen M. • Chemistry tutor
2592 Views

During a chemical reaction, a student uses a catalyst. What is meant by the term "catalyst"?

A catalyst is something that increases the rate of a reaction without being used up itself. At the end of the reaction, the catalyst remains unchanged.
GR
Answered by Georgie R. • Chemistry tutor
2424 Views

State and explain the evidence for the delocalisation of electrons in benzene (6 marks)

Benzene does not decolourise bromine water, showing it does not undergo electrophilic addition reactions as the delocalised pi structure is very stable. All of the carbon-carbon bond lengths are the same; th...
RA
Answered by Romi A. • Chemistry tutor
4484 Views

Why does Sodium Chloride have high melting point?

Sodium Chloride has a high melting point, as it has a giant ionic lattice hence has strong electrostatic forces of attraction between oppositely charged ions, which requires lots of energy to overcome the fo...
VS
4571 Views