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What is benzene and describe the 2 models used to explain it's structure. Provide a piece of evidence to show which of these models is incorrect.

Benzene With a formula of C 6 H 6 , the molecule has a cyclic structure due to it's 6 carbon atoms joined in a ring. It is symmetrically planar (flat) with it's 6 hydrogen's sticking out in the same plane. T...
AM
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How do I analyse an image in an exam?

Everything you do in English should be carried out in stages to ensure that you've done it all thoroughly. ​First, when analysing an image, you need to look at the colours. Dark colours tend to represent mou...
JL
Answered by Jayde L. • English tutor
6043 Views

How do you answer a ‘how far do you agree with the statement’ question?

This type of question can come up in both GCSE and A-Level History papers. Firstly, it is important to show both sides of the argument - you must outline points which both support and those which challenge t...
EH
Answered by Ella H. • History tutor
71780 Views

When composing a mechanism in organic chemistry, how do I use curly arrows?

There are a few things to learn about the use of curly arrows. Once you've grasped the basics, though, you'll be able to use them with simplicity and clarity no matter how complicated the mechanism is! The f...
ML
Answered by Marc L. • Chemistry tutor
5143 Views

How do i solve a system of 2 equations?

This problem is one that can be confusing if not tackled orderly. Let us have an example of a system of 2 equation: 3x + 5y = 13 4x + 7y = 18 First we must choose one of the two and then express one of our v...
II
Answered by Ioan I. • Maths tutor
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