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A halogenoalkane is a saturated hydrocarbon chain with a halogen atom (F, Cl, Br or I) attached to a carbon instead of a hydrogen. Halogens have a greater electronegativity than carbon. This means they draw ...

A mole is the amount of a substance which contains as many particles (atoms, ions, molecules etc) of the substance as there are carbon atoms in 12g of 12 C - this is exactly 6.02 × 10 23 atoms. This formula ...

A sigma bond can be between s or p orbitals whereas a pi bond can only be between p orbtials In signma bonds, atomic orbitals overlap along bonding axis, in pi bonds atomic orbitals overlap above and below b...

Initally, benzene was thought to have the kekule structure. This was thought to be an interconversion of two different discrete strucutres of a 6 carbon ring with single and double bonds. However there were ...

Firstly I would get the student to draw out the structure of the alcohol and check whether they were able to place the alcohol groups and side chains in the right place on the chain. Then I take would them t...