I FINDS RXN AND MECHANISM UN EASE TO LEARN .

Hi

For organic chemistry, mechanisms are the language of organic chemistry. They are the logic that you use to predict the products. The greater the number of mechanisms you know, the easier it is to memorize a new mechanism. You will find mechanistic similarities. You will see how changing an atom from an oxygen to a carbon alters the mechanism and how the difference in the number of protons in the nucleus is consistent with that change.

The following link shall give u some tips for memorising chemical rxns. lsc.ucdavis.edu/~holliste/Jim118B/Learning_O-Chem_Rxns.pdf .

The best method isn't to "memorize" the mechanisms, it's to understand them. It's way too difficult (and unnecessary) to try and memorize all of the different reaction mechanisms.

Always let the properties of the compounds tell you what's going to happen next. For example, in an alkyl halide substitution (let's do the SN2 reaction), a strong base, let's say OH-, will react with CH3CH2Cl. The oxygen bears a negative charge, and it will attack the carbon that has the chlorine (or the "leaving group"), because it has a partial positive charge. The OH- is going to attach to the carbon, but a carbon cannot have 5 bonds, so it releases the chlorine bond, making the new compound CH3CH2OH. This is how you learn, by looking at the partial charges, and the strength of the nucleophile or base (which was OH- in this case).

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