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Describe and Explain the trend in Volatility of Group 7 Elements

The group 7 elements become less volatile as you go down the group. This is because as you go down the group the molecules become larger and contain more electrons. Therefore there are Greater London forc...

Answered by Ruby O. • Chemistry tutor

17693 Views

Name the three steps in free radical substitution and give an example equation for each

Initiation: Cl2 (+UV) -> Cl + Cl Propagation: Cl + CH4 -> HCl + CH3 Termination: CH3 + Cl -> CH3Cl

Answered by Arwen G. • Chemistry tutor

1934 Views

A reaction, A + B -> C, is considered second order with respect to A and first order with respect to B. What is the effect of simultaneously doubling the concentration of A and B on the rate of reaction?

"second order with respect to A" tells us that doubling the concentration of A will cause the reaction rate to increase by a factor of 4."first order with respect to B" then tells us t...

Answered by HENRY J. • Chemistry tutor

2180 Views

Discuss the 2 most-commonly encountered representations of benzene, providing an advantage and disadvantage for each

Kekule structure advantages: Useful for mechanistic understanding, can push arrows to advise likely regiochemistry. Disadvantages: ignores aromatic stablisation, drawn structure much higher energy than ac...

Answered by William H. • Chemistry tutor

3935 Views

What is meant by an ion being 'polarising' - and how does that determine if something is ionic/covalent?

The more polarising ion is the one that can distort the electron cloud of the other ion in the ionic bond more. The top of group two are the most ionising, since these have a small electron cloud and a bi...

Answered by Ben D. • Chemistry tutor

2775 Views