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AlCl 3 has a trigonal planar structure. There is an aluminium atom with 3 sp 2 hybridised orbitals which bond to 3 chlorine atoms. The bond angle is 120 degrees. Each chlorine atom shares 1 electron with alu...

You are not expected to have any prior knowledge about ancient languages when taking this admissions test. Rather, it is designed to test your aptitude - your ability to think in a way which will allow you t...

Composite functions can be thought of as 'functions within functions'. For example, let's suppose that f(x) = x 3 g(x) = x + 5 defined for all real numbers. (Note: composite functions may have a different no...

Qui, que, ce qui and ce que are all relative pronouns. This means that they link a noun with a relative clause. Qui and que can be roughly translated as that/which C e qui and ce que work similarly to qui an...

To explain a racemic mixture it is firstly necessary to explain what an enantiomer is. Enantiomers are stereoisomers that are non-superimposable mirror images of each other. An enantiomer has no plane of sym...