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Chemistry
A Level

How do you form phenylamine from benzene? Include reagents and conditions and the name of the reactions

Benzene to nitrobenzene / nitration of benzene. Conditions: concentrated nitric acid and concentrated sulfuric acid. Carried below 50oC to avoid further substitution of nitro groups

Nitr...

DO
Answered by Denzell O. Chemistry tutor
9777 Views

Draw the reaction mechanism for the formation of ethanol from bromoethane and water and name the mechanism.

The first step is the draw out the molecules in question to understand what is happening in the reaction. You can see that the bromine atom has been substituted for an alcohol group (OH) in the enthane mo...

HH
Answered by Henry H. Chemistry tutor
6783 Views

What is entropy?

Entropy is the level of disorder in the universe. The more disordered something is, the higher its entropy. Molecules in solids ae specifically arranged and vibrating, hence the level of disorder is low, ...

RB
Answered by Rajas B. Chemistry tutor
1852 Views

Explain why chlorine has a lower boiling point than Bromine. (2 marks)

Chlorine molecules are smaller than bromine molecules in size, therefore, the van der Waals forces (intermolecular forces) are weaker between Cl2 molecules than compared to Br2 molecules.

JB
Answered by Joseph B. Chemistry tutor
10201 Views

Balance the following redox equation: PbO2 + SO32- ==> Pb2+ + SO42-

To balance redox equations, do the following steps:
-Divide into 2 half equations
-Balance the formula EXCEPT for oxygen and hydrogen
-Balance the number of oxygens by adding water
...

ZC
Answered by Zain C. Chemistry tutor
12093 Views

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