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Part a) Draw the mechanism of the attack of CN- on CH3COCH3 in the presence of HCN Part b) Explain why the product of this reaction does not rotate the plane of plane polarised light

Part a) 1 mark : Show the nucleophilic attack of CN- at the carbonyl forming the O-1 mark : Show the protonation of the O- via the deprotonation of HCNPart b)1 mark: Student has identified that the interm...

Answered by Noah H. • Chemistry tutor

3564 Views

How do you find the x co-ordinates of the stationary points of a curve with the equation y = 10x - 2x^2 - 2x^3

First to find the stationary points, you have to differentiate the equation of the curve y, to give you (dy/dx) = 10 - 4x - 6x^2After differentiating the equations, the points at which the curve is statio...

Answered by David M. • Maths tutor

3402 Views

Integrate 2x^5 + 7x^3 - (3/x^2)

Integrating xⁿ gives you xⁿ⁺¹/(n+1).Integral of 2x⁵ is 2x⁶/6 = x⁶/3. The integral of 7x³ is 7x⁴/4.-(3/x²) can be rew...

Answered by Alexander P. • Maths tutor

4270 Views

What do you think are your stenghts and weaknesses?

My Strengths are:
I have good analytical skillsI am very good with time keepingI am very organised
Weaknesses:I find that when given a task, i tend to ask a lot of questions. This is because i w...

Answered by Benedicta S. • Career Development tutor

1682 Views

Translate the following passage: If you have read the newspapers or if you have watched the news on television you will know that demonstrations have become more and more widespread in France recently. Many pupils are taking to the streets in several town

Si vous avez lu des journaux, ou si vous avez régardé des actualités, vous sauriez que les manifestations sont devenues plus et plus étendues en France récemment. Beaucoup d'étudiants sortent dans les rue...

Answered by Alexandra A. • French tutor

2020 Views