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@sqae4: #اللهم_صل_على_محمد_وآل_محمد #fyp #foryou #foryoupage #العراق

محمد المصطفى
محمد المصطفى
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Region: IQ
Thursday 05 November 2026 08:39:43 GMT
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aws_820
اوس الاشحم المياحي :
ما الفائدة من نشر هذه الوثائق
2026-11-05 10:06:00
0
aba.al.hassan1
المُحَدِّثُ :
لا جد مقتنع أنت؟؟
2026-11-05 10:00:06
0
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رسمياً الدون يعتزل دولياً ! . 😢 #foryou #cristianoronaldo #كريستيانو #البرتغال
رسمياً الدون يعتزل دولياً ! . 😢 #foryou #cristianoronaldo #كريستيانو #البرتغال
@oreo_vn #OREOKemVịSữaChuaXoài #XoayNếmChấmChỉCóOREO #OREOKemVịSữaChuaXoài
@oreo_vn #OREOKemVịSữaChuaXoài #XoayNếmChấmChỉCóOREO #OREOKemVịSữaChuaXoài
fastest to slowest SN2, 10 seconds, go 👇 search primary > secondary, and why a tertiary alkyl halide cannot do SN2 at all and goes SN1, E1 or E2 instead. there is one trap in this set, and it comes from looking at the carbon with the bromine but not at what sits on its neighbour (slide 4 has the 3 traps 🧐). the leaving group matters as well (iodide is better than bromide, which is better than chloride, and fluoride is a poor one), but here it is the same in all four, so only the crowding changes. the rate numbers on slide 3 are approximate relative rates for bromides. saved this? practice quizzes like it in the app what did you put last, A, B, C or D? 👇 #ochem #organicchemistry #sn2 #studytok #examprep" width="135" height="240">
fastest to slowest SN2, 10 seconds, go 👇 search "inkling orgo" on the App Store or go to tryinkling.app SN2 reaction rates of alkyl halides, for orgo 1 midterm 2: the four are A 2-bromopropane, B 1-bromo-2,2-dimethylpropane (neopentyl bromide), C bromomethane and D bromoethane, all reacting with the same strong nucleophile in the same polar aprotic solvent. the answer is on slide 3. an SN2 reaction is one step: the nucleophile attacks the carbon bonded to the halogen from the side opposite the leaving group (backside attack) while the bromide leaves, so anything that crowds that carbon or the space behind it slows the reaction down. that is steric hindrance, and it is why alkyl halide SN2 reactivity runs methyl > primary > secondary, and why a tertiary alkyl halide cannot do SN2 at all and goes SN1, E1 or E2 instead. there is one trap in this set, and it comes from looking at the carbon with the bromine but not at what sits on its neighbour (slide 4 has the 3 traps 🧐). the leaving group matters as well (iodide is better than bromide, which is better than chloride, and fluoride is a poor one), but here it is the same in all four, so only the crowding changes. the rate numbers on slide 3 are approximate relative rates for bromides. saved this? practice quizzes like it in the app what did you put last, A, B, C or D? 👇 #ochem #organicchemistry #sn2 #studytok #examprep


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@diogo.kobata #diogokobatacy
Sneek apeek Next new event PlayTogether game . Bakalan seru, Magic School? H0gwarts? Potter Head kalian harus main game ini. credit to @Play Together VNG @playtogether_tmi @playtogether_game #PLAYTOGETHERVNG #PLAYTOGETHER #playtogetherid #PTGCREATOR #harrypotter
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