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Chemistry
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Why is the molecule CH4 tetrahedral whereas NH3 is not?

By the VSEPR (Valence shell electron pairs repulsions) theory, even though there are four electron pairs on C and N, the presence of a lone pair of electrons on N increases the repulsions, meaning that th...

PL
Answered by Paula L. Chemistry tutor
7114 Views

What are the different types of intermolecular forces?

There are three types of intermolecular forces; 1. Van der Waal forces 2. Dipole-dipole forces 3. Hydrogen bonding Van der waals are the weakest and hydrogen bonding is the strongest. Van der Waal forces ...

IM
Answered by Iona M. Chemistry tutor
19120 Views

Draw the shape of an SF6 and SF4 molecule, indicating bond angles and any lone pairs which may influence these. What shape is the SF6 molecule?

Sulfur is a group six element, meaning it can form up to six bonds with halogen atoms such as F or Cl. In the instance where only four valence electrons of S are bonded to the halogens, the remaining two ...

SD
Answered by Seb D. Chemistry tutor
12108 Views

When nitrogen and hydrogen react in the Haber process the reaction can reach a dynamic equilibrium. Explain what is meant by the term dynamic equilibrium.

In a dynamic equilibrium the rate of the forward reaction is the same as the rate of the reverse reaction and there is no overall change in the amount of each product.

AC
Answered by Amelia C. Chemistry tutor
3607 Views

Why is there a difference in mechanism between tertiary halogenoalkanes and primary halogenoalkanes in nucleophilic substitution?

The difference in mechanism between tertiary halogenoalkanes and primary halogenoalkanes is caused by the difference in relative stability between the two carbocation intermediates formed. In the case of ...

NO
Answered by Nketia O. Chemistry tutor
13972 Views

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