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Why does the nucleophilic addition of a cyanide ion to an aldehyde form a racemic mixture?

Because the plane of the C=O bond in an aldehyde is flat, and so the nucleophilic attack of CN- onto the C can occur above or below the plane of the molecule, producing two different stereoisom...

SA
Answered by Success A. Chemistry tutor
2013 Views

To what extent was Mary Queen of Scots reign defined by her marriages?

(This is a brief plan for how I would answer this essay question)Intro: The main things that define Mary Queen of Scots reign was her marriages, her religion and with her relationship with Elizabeth I and...

VH
Answered by Victoria H. History tutor
1519 Views

Read the text and answer the following questions: 1. What is the new advice on drinking water? 2.What is it that causes most stress? 3.What is the latest information about tomato ketchup?

La vida sana: cambian las opiniones.La semana pasada nos decían que debíamos consumir dos litros de agua al día. Ahora resulta que sólo hay que hacerlo si tienes sed. ¡Cómo cambian los co...

EM
Answered by Ellie M. Spanish tutor
1344 Views

Given 2 points, how do you calculate the equation of a straight line?

Remember that the equation of a straight line function is: ax+c. a= change of y/ change of x
The steps to follow are:1- find the gradient of the slope2- replace the equation by values coming from any...

ZJ
Answered by Zachary J. Maths tutor
2359 Views

Have you been following any recent advances in medicine/dentistry? Technological or otherwise?

This is quite a common question to be asked in medicine or dentistry interviews. Try to keep up with events and news surrounding medicine/dentistry, you don't have to talk about everything but having one ...

PB
1044 Views

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