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Chemistry
A Level

Why is Phenol more reactive than Benzene in electrophilic substitution reactions?

Phenol has the -OH group and the oxygen has a lone pair of electrons which are donated into the Benzene ring and activate the ring which make it more sus...

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Answered by Juliet O. Chemistry tutor
7720 Views

How does free radical substitution work?

(This explanation would make use of diagrams on a whiteboard)It is useful to break this down into three steps: 1- the initiation step. Let's take the reaction between Cl2 and CH4.

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Answered by Tom H. Chemistry tutor
2014 Views

What is an empirical formula and how do I calculate it?

The empirical formula of a compound is the simplest ratio of the atoms present in that compound and it can be calculated relatively easily by following a few simple steps:Let's use an example of a hydroca...

VO
2830 Views

What trends are shown as you go down group 2 of the periodic table?

Group 2 (the alkaline earth metals) show many different trends. As you go down, the size of the atoms increases. This is due to the fact that each element has an extra full main level of electrons compare...

Answered by Chemistry tutor
12069 Views

Explain the principle behind chemically reactive and inert molecules

Electronegativity.
Molecules with atoms which possess an almost full outer shell will always be seeking to draw in the extra electron(s) to fill up their outer shells.Likewise molecules with atoms wh...

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Answered by Irtiza S. Chemistry tutor
2488 Views

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