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Chemistry
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Explain how nucleophilic substitution for a haloalkane actually occurs?

In a haloalkane, not all of the bonds are the same. We have to consider the fact that the halogen atom (for instance a bromine atom) is more electronegative than either carbon or hydrogen...

NK
Answered by Naman K. Chemistry tutor
2286 Views

How would you prove that a substance contains magnesium ions?

Add sodium hydroxide solution to the substance and if a white precipitate is observed that does not dissolve in excess sodium hydroxide then there are magnesium ions in the substance.

RC
Answered by Rachel C. Chemistry tutor
4992 Views

Why does silver have a high melting point?

Silver contains strong metallic bonds (a lattice of positive ions surrounded by a sea of delocalised electrons) which require large amounts of energy to break, therefore has a high melting point.

RC
Answered by Rachel C. Chemistry tutor
7746 Views

Which has a lower boiling point chlorine or bromine, and why?

Chlorine has a lower boiling point as it is smaller in size than bromine. Chlorine has fewer electrons than bromine and fewer electron shells so chlorine is smaller in atomic radius. Size affects the str...

GF
6491 Views

There are two methods of ionisation in a time of flight spectrometer, name and explain one of these methods in detail.

1).Electron impact ionisation- in this types of ionisation the sample is vaporised and injected into the mass spectrometer, then high energy electrons are fired at this sample from an electron gun. This k...

NH
Answered by Nadia H. Chemistry tutor
4591 Views

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