Search our library of A Level questions

Top answers

All subjects

A Level

Alcohols can be converted into alkenes by removing water. The alcohol 3-methylpent-2-ol forms a mixture of organic products when dehydrated. Describe the conditions of this reaction. Name all the organic products.

Heated under reflux with an acid catalyst such as H3PO4 or H2SO4

3-methylpent-1-ene

E-3-methylpent-2-ene

Z-3-methylpent-2-ene

Answered by Abigail B. • Chemistry tutor

3326 Views

Explain the Conservative philosophy of Human Imperfection. How has it influenced other Core Values? (15)

Conservatives largely have a very negative view on human nature believing, according to O’Sullivan, that they are imperfect and imperfectable in three distinct ways. Firstly they argue that human...

Answered by Alex E. • Politics tutor

13179 Views

The point A lies on the curve with equation y = x^(1/2). The tangent to this curve at A is parallel to the line 3y-2x=1. Find an equation of this tangent at A. (PP JUNE 2015 AQA)

My exact explanation would depend on the students level of understanding. The following answer assumes a basic understanding of differentiation and equations of lines; a) Gradient of tangent is equal to g...

Answered by Sefret C. • Maths tutor

7613 Views

'No visible history': With reference to your wider reading, compare ways in which the impact of 'history' is explored in your two texts.

'Visible history' is a difficult term to unpack. For the most part, this is because of the term 'history' and the various ways it is interpreted as a concept and as something that we engage with. What is ...

Answered by Charlotte F. • English Literature tutor

4086 Views

How can I make the transition from GCSE to A Level work in my essays?

History GCSE is mainly about demonstrating a depth and breadth of knowledge of the relevant factors relating to the question. To move up to A Level standard work you should aim to show how these factors -...

Answered by Tom G. • History tutor

2227 Views