Top answers

Chemistry
A Level

Can you explain the bond angle and shape of the molecule NH3?

In NH3, the nitrogen atom is bonded to three hydrogen atoms. By drawing the Lewis structure, the central nitrogen atom shows 3 covalent bonds to hydrogen and one lone pair. Valence Shell Electron Pair Rep...

JJ
Answered by Jenny J. Chemistry tutor
14493 Views

What is the geometry of a BF3 molecule?

The molecule is 'trigonal planar'.This is because the central atom, boron, is attached to three fluorine atoms, and each fluorine atom repels the other fluorine atoms as much as possible. The only configu...

LS
Answered by Lauren S. Chemistry tutor
21534 Views

What is the position of chemical equilibrium and how can it change? (A-Level/high GCSE)

A dynamic chemical equilibrium refers to a reversible chemical reaction, where the forward and reverse reactions are happening at the same rate. This results in the concentrations of reactant and product ...

JC
Answered by James C. Chemistry tutor
30711 Views

What is a test for iron(III) compounds?

Using thiocyanate ions to give a red complex. During the session I will go through the reaction mechanism and evaluation of soluble / insoluble products.

AS
Answered by Anmol S. Chemistry tutor
3821 Views

How do induced dipole to dipole interactions (London forces) occur?

So you have a molecule which is full of electrons, and at any moment in time these electrons can move to one side of the molecule. As we know electrons are negatively charged, if they suddenly move to on...

HM
Answered by Holly M. Chemistry tutor
2470 Views

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