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Chemistry
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What evidences are used to prove that Benzene's kekule model is incorrect and that Benzene has a delocalised Pi structure.

The enthalpy Change of Hydration for cyclohexene is 120 kJmol-1 therefore if the Kekule model is correct then the Enthalpy change of Hydration would be 360 kJmol-1 however as it is c...

Answered by Muin A. Chemistry tutor
5981 Views

Explain the polarity of both CH3CH2Br and CBr3CBr3.

Both molecules have a C-Br bond, which will be polar due to their difference in electronegativities (bromine is more electronegative than carbon). In CBr3CBr3 the dipoles cancel so the overall molecule is...

Answered by David D. Chemistry tutor
18343 Views

State 2 features of a system that is in dynamic equilibrium.

In dynamic equilibrium the rate of the foward reaction is equal to the rate of backward reaction. Also the concentration of the products and reactants stay constant.

Answered by Moin B. Chemistry tutor
8515 Views

How are elements in the modern periodic table arranged?

Elements are arranged in rows, referred to as periods, of increasing atomic number. To recap, atomic number is the number of protons in the nucleus of an atom. Elements are also arranged in columns, refer...

Answered by Alex G. Chemistry tutor
21039 Views

Describe why phenol reacts more readily with bromine than benzene does.

(labelled diagrams of both benzene and phenol would be used to show the overlapping p orbitals above and below the plane of the molecule, with phenol showing the partial delocalisation of the oxygen lone ...

Answered by Abigail J. Chemistry tutor
7211 Views

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