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How many of the following responses are true? 1. 3-bromo-3-methylpentane will undergo substitution through an SN2...

How many of the following responses are true?

1. 3-bromo-3-methylpentane will undergo substitution through an SN2 mechanism
2. If R-2-bromopentane is allowed to react with OH- the product will be S-2-pentanol
3. SN1 leads to a racemization of sterechemistry due to the nucleophile attacking from the backside and the leaving group leaving
4. SN2 leads to a racemization of sterechemistry due to the nucleophile attacking from the backside and the leaving group leaving
5. A primary alkyl halide will tend to react through an SN2 mechanism because there is little hindrance to backside attack and a primary carbocation is not very stable

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