Reactions a in which solvent would an sn1 reaction be...

Reactions: A.) In which solvent would an SN1 reaction be fastest? ( 100% ethanol 80% ethanol, 20% water 50% ethanol, 50% water 25% ethanol, 75% water 100% water) B.)If 2-bromobutane underwent E2 reaction, what would be the stereochemistry of the major product? (R, S, Cis, Trans, None) C.)You perform a substitution reaction with fluoride (F-) as your nucleophile, which would be the best solvent to use? (CCL4, DMF, C6H14, NH3, or H2O)

Transcript

00:01 So in this question, in sn1 reactions, so this sn1 reactions we also called as carbocation.

00:12 So here in sn1 reaction carbocation intermediate it is formed.

00:19 So here whenever we use solvents, oastachud.

00:23 So whenever we use solvents which are having the higher polarity.

00:28 So these solvents is stabilized the.

00:31 Carbocation so whatever the solvents which having higher polarity it stabilized carbocation so whenever it stabilized corbocation s and when reactions they occur more readily more readily in polar solvents more readily in polar solvents so the most favorable or more favorable more favorable carbo catagon formation the faster the rate of overall is yes and one reaction so when the carbotagon formation it is more or more faster whenever the whenever the foster rate of foster rate of overall yes and one reaction so alcohol whenever we say alcohol it is polar less water as the alcohol it is less polar than here it will be non polar because i be non polar the molecules do not here the polarity order so whenever they don't form hydrogen bonds so whenever we see the polarity order polarity order so we know that hundred percent water it is more polarity order so we know that hundred percent water it is more polarity than that of 75 % water it is more polar than that of 50 % water 50 % water plus 25 % ethanol it is more polar than that of 20 % water plus 50 % ethanol plus it is more polar than that of 80 % ethanol plus it is more polar than that of 80 % ethanol and it is most polar than that of it is more polar than that of 100 % ethanol so the polarity decreases whenever the ethanol concentration increases the ethanol it is less polar or it is less polar when compared to water so what we are concluding here s and one reaction it is also the s and one reaction it is also follow the same trend it also follows same trend that is how the polarity order the same order even s &1 reaction also follows same trend.

03:03 Then coming to the next question, whenever 2 bromobutane.

03:09 So the 2 bromobutane, it is isomer.

03:13 So it is isomer of 1 bromobutane.

03:16 Yes, exactly.

03:18 1 bromobutane isomer it is 2 bromobutane.

03:21 So these both compounds it having the same molecular formula.

03:27 Same molecular formula.

03:29 What is the same molecule or formula that is c4 h9br? so here, whatever the two bromobutane, it is also known as secondary butyl bromide.

03:42 Secondary butyl bromide.

03:45 So now when two bromobutane undergoes e2 reaction.

03:50 So whenever here, whatever the two bromobutane, it undergoes e2 reaction, that is, is e2 elimination reaction.

04:01 Here two possible isomers are formed.

04:05 What are the two possible isomers that two stereoisomers are formed? this is because whatever the two bromobutin, these having two confirmations.

04:16 So these having two confirmations with h and b .r...

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