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B = R/S 2-hydroxybutanenitrile
we get a racemic mixture because the carbon in the aldehyde where the nucleophile attacks has a trigonal planar geometry and so there is an equal chance of attack by th...

When temp increases, kinetic energy of molecules increases. Higher kinetic energy means molecules move around more and increased movement leads to more collisions. Collision theory states that the rate of...

The group 2 elements become more reactive down the group. This is because the atomic radius increases down the group as there are more energy levels. There is also more shielding from inner energy levels ...

If portion of the unknown were to be placed in a blue Bunsen flame, a green-blue flame would appear. This indicates the presence of copper. If a portion of the unknown were to be added to dilute hydrochlo...

First it is important to recognise that this is an ideal gas equation question – the exam boards love these so try to get used to spotting if you have the necessary quantities. This is a multi-step proble...