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Chemistry
All levels

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
2152 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
3214 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
3242 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
2401 Views

Explain the delocalised model of benzene, and hence why it is less reactive with electrophiles than cyclohexene

Benzene consists of a ring of 6 carbon atoms bonded to each other by sigma bonds from the overlap of s orbitals.p orbitals above and below the ring overlap to form a delocalised pi system with rings of el...

AW
Answered by Archie W. Chemistry tutor
18756 Views

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