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Chemistry
All levels

How do you determine the shape of molecule?

Molecular shape is based on VSEPR Theory which states that electrons in lone pairs repel other electrons in lone pairs the most. Electrons in lone pairs repel electrons in bonding pairs less and electrons...

DS
Answered by Daniel S. Chemistry tutor
6008 Views

What is meant by a strong acid?

When the acid is completely or fully ionised in aqueous solution or if it is dissolved in water.

IL
1945 Views

What does ‘aromatic’ mean?

In A Level Chemistry, the word aromatic means a molecule’s structure contains at least one cyclic ring which has a delocalised pi electron cloud above and below it. This occurs from unbonded P orbital ele...

SL
Answered by Sam L. Chemistry tutor
2705 Views

Explain what is meant by optical isomerism.

Stereoisomers are molecules that have the same structural formula, but a different arrangement of the atoms in space.Optical isomers are a type of stereoisomers where the two molecules have non-superimpos...

EW
Answered by Emily W. Chemistry tutor
2786 Views

What does the percentage atom economy mean

It is the atomic mass of the desired product divided by the total atomic mass of all the products in the reaction, multiplied by 100

TE
Answered by Tobias E. Chemistry tutor
2194 Views

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