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Chemistry
A Level

What is a dative covalent bond?

A dative covalent bond is a shared pair of electrons where the shared pair of electrons originate from the same atom.

Answered by Rachel M. Chemistry tutor
3719 Views

What 3 pieces of evidence disproved kekule's model? (6 marks)

Benzene is a planar molecule (all the atoms lie in one plane), and that would also be true of the Kekulé structure. The problem is that C-C single and double bonds are different lengths (C-C: 0.154 nm C=C...

Answered by Pedro L. Chemistry tutor
3867 Views

describe the structure of graphite

giant covalent structureintralayer forceseach C atom joins to 3 other Cs by covalent bondsinterlayer forcesatoms form layers with a hexagonal arrangement between atomsweak interlayer forces

Answered by Wesley Q. Chemistry tutor
1163 Views

Write a balanced equation for the oxidation of Iron from the 2+ oxidation state to the 3+ oxidation state using the manganate ion.

Firstly, we need to write a balanced equation for the oxidation of Fe2+ to Fe3+ . We know that when something is oxidised, it is losing electrons, making the half equation: Fe2+...

Answered by Paige M. Chemistry tutor
12635 Views

3-methyl pent 2 ene reacts with HBr to form two products. Which of these products is the minor and major product and why?

3-bromo 3 methyl pentane will be the major product while 1 bromo 3 methyl pentane will be the minor. This is due to a more stable carbocation being formed. A secondary carbocation is more stable than a pr...

Answered by Alex N. Chemistry tutor
10450 Views

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