Top answers


Why is phenol more reactive than benzene?

Benzene is made from an aromatic ring consisting of 6 carbon atoms and 6 hydrogen atoms, with delocalised electrons in the centre. Phenol has an additional hydroxy (-OH) group on the ring, and the oxygen ato...
EL
Answered by Erin L. Chemistry tutor
6597 Views

Which test would you use to identify the difference between an aldehyde and a ketone? Explain your observations.

Tollens Reagent "silver mirror test". When added to the aldehyde, a silver mirror appears. When added to the ketone, nothing happens.This is because the Tollens Reagent oxidises the aldehyde, while...
RJ
Answered by Rachel J. Chemistry tutor
10357 Views

Describe and explain an an anthropogenic cause of climate change?

Climate change is a long-term shift in the earth's climate. This can be due to various natural causes but has recently been affected by humans. An example of this is the enhanced greenhouse gas effect. Since...
SD
Answered by Sarah D. Geography tutor
2385 Views

How do I expand a factorised expression?

Take example (x+3)(x-4) We use FOIL - first, outer, inner, last We multiply each part by the other part. First -> x times x = x 2 . Outer -> x times -4 = -4x (remember the minus infront of the 4), Inne...
SK
Answered by Sarah K. Maths tutor
3771 Views

What is economic growth?

Economic growth is an increase in the production of good and services in an economy over time.
FA
Answered by Funsho A. Economics tutor
2332 Views