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Chemistry
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BeCl2 has a linear shape with a bond angle of 180 degrees, where as H2O has a bent shape with a bond angle of 104.5 degrees. Explain why these molecules have different shapes despite having the same general formula of AB2.

BeCl2 contains 2 bonding pairs of electrons which arrange themselves as far away as possible to minimise the electron repulsion between them, giving a bond angle of 180 degrees and a linear shape. H2O als...

Answered by Sam R. Chemistry tutor
30283 Views

A batch of Titanium(iv) Chloride is electrolysed in a chemical plant. (a) State the type of bonding in Titanium(iv) Chloride and why it has to be molten in order to undergo electrolysis. (b) Explain why a DC current has to be be used for electrolysis.

(a) Ionic bonding. Ions are free to move/flow(b) So only one product is produced at each electrode OR So that the cathode/anode stays negative/positive which allows only the positive/negative ions to reac...

Answered by Azhar S. Chemistry tutor
1949 Views

Explain the trend in boiling points for the group 6 hydrides (O,S,Se,Te). Diagram would be included.

There are 2 factors that affect this problem.
(1) The hydrogen bonding ability of H2O which increases the boiling point.The partial charges, induced by the higher electronegativity of oxyg...

Answered by Jack R. Chemistry tutor
31530 Views

Why does propanol have a higher boiling point than propanone, propanal or methyl ethanoate?

Molecules of propanol have a hydrogen directly bonded to a NOF atom (oxygen in this case), which means that they can hydrogen bond with eachother. The oxygen in the other three molecules is only bonded to...

Answered by Katharine W. Chemistry tutor
33795 Views

How is the bonding in NH3 and what does this entail for its electron-domain geometry and molecular geometry?

Nitrogen has atomic number 7; so, when neutral, it has 7 electrons . Those electrons are organized according to the Aufbau principle in an electronic configuration of 1s2 2s2 2p...

Answered by Francisco T. Chemistry tutor
9608 Views

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