Top answers

Chemistry
A Level

Which of the following shows the formation of the intermediate in the mechanism for the reaction between ethene and bromine?

Answer C

NI
Answered by Ndidi I. Chemistry tutor
2843 Views

Discuss the reactivity benzene, chlorobenzene, toluene and phenol in electrophillic aromatic substitution

Phenol > Toluene > Benzene > Chlorobenzene.

The reactivity of the ring is dependant on how electron rich it is, as this determines the extent to which the (positively charged) electrophile...

JM
26265 Views

I am struggling to with unseen organic chemistry mechanism. I don’t know where to begin drawing them.

The purpose of a mechanism in organic chemistry is to show the movement of electron density leading to the reaction. Keeping this in mind, when faced with the starting materials, the first thing to identi...

DS
Answered by Darius S. Chemistry tutor
1973 Views

How does a catalyst and increasing temperature affect the rate of reaction?

For a reaction to occur between particles (reactants) they must overcome an energy barrier. This is called the activation energy. A catalyst provides an alternative pathway for the reaction, that has a lo...

JD
Answered by Jacob D. Chemistry tutor
42356 Views

Define the term Covalent Bond

A covalent bond is formed by a shared pair of electrons between two atoms.

RO
Answered by Rex O. Chemistry tutor
2681 Views

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