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Why does Benzene require a catalyst to react with Bromine whereas Phenol does not?

The -OH is an activating group, it donates its lone pair into the delocalised ring of electrons. This increases the electron density in the ring, making it more reactive.

Answered by Frankie L. Chemistry tutor
1903 Views

If 3x^2 = 48 find x

3x^2 = 48 x^2 = 16 x = 4

Answered by Frankie L. Maths tutor
2343 Views

The equation 3x^2 – 5x + 4 = 0 has roots P and Q, find a quadratic equation with the roots (P + 1/2Q) and (Q + 1/2P)

We know the roots of the equation 3x2 - 5x + 4 = 0 is P & Q, therefore is is equivalent to (x - P)(x - Q...

Answered by Shafath C. Further Mathematics tutor
2859 Views

Find the General Second Order Differential Equation Using Substitution (A2 Further Maths)

Find the General Second Order Differential Equation 4x2d2y/dx2

Answered by Shafath C. Further Mathematics tutor
1923 Views

Outline the main features of the Working Memory Model?

The working memory model was developed by Baddeley and Hitch (1974). It is an explanation of how short-term memory is organised. There are four main features to the model; the central executive, t...

Answered by Annabelle H. Psychology tutor
4090 Views

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