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Describe the products of the following Friedl-Crafts substitution and explain the role of the AlCl3 in the reaction: C6H6 + CH3C(O)Cl + AlCl3 = ?

C6H6 + CH3C(O)Cl = C6H5C(O)CH3 + HCl This is an example of an electrophilic aromatic substitution reaction, with the product being a ketone. The AlCl3 serves as a catalyst, converting the acyl chloride into ...
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Answered by Thomas H. • Chemistry tutor
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How far could the historian make use of sources x and y together to investigate z

Investigating sources in conjunction with each other requires the employment of many of the skills used in analysing a single source, be that primary or secondary, but with a few key differences. 'Cross-refe...
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Answered by Fred L. • History tutor
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What is concurrent validity?

In order to better understand concurrent validity, we should approach construct validity first: Construct validity refers to a test's ability to measure what it claims to measure. For example, does a test fo...
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Write (x-2)(x+4)=10 in the form ax^2 + bx + c = 0 and work out the values of a, b and c

We should begin by multiplying out the brackets. Firstly, multiply each term in the first bracket with the first term in the second bracket: x times x equals x 2 and -2 multiplied by x is equal to -2x. Next,...
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Answered by Thomas C. • Maths tutor
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Find the area beneath the curve with equation f(x) = 3x^2 - 2x + 2 when a = 0 and b = 2

This question is an example of integrating to find the area underneath a curve between two points. We begin by intergrating the equation. Firstly, to integrate 3x 2 we increase the indice/power by one unit a...
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Answered by Thomas C. • Maths tutor
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