Zadanie 4a
Wzorowane na: Chemistry SL Paper 2, May 2026, TZ3, pytanie 4(a). Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Informacja do zadań 4a-4d.
Organic compounds are made from many different starting materials and by a variety of reactions, and some of them are used as fuels.
Polecenie
Reactions of halogenoalkanes with hydroxide ions are an example of nucleophilic substitution.
Deduce the equation, showing the movement of electrons with curly arrows, for the reaction of 1-chloropropane with aqueous potassium hydroxide.
Sprawdź rozwiązanieUkryj rozwiązanieKlucz CKE i punktacja
Odpowiedź z klucza
curly arrow from the lone pair / negative charge on O of HO− to the carbon atom bonded to Cl ✔
curly arrow from the C–Cl bond to Cl ✔
propan-1-ol AND Cl− formed «CH3CH2CH2Cl + HO− → CH3CH2CH2OH + Cl−» ✔
Schemat punktowania
[1] each. Accept a more detailed mechanism (SN1 or SN2) if it is drawn, although it is not required. Penalize missing charges only once. Do not award M3 for the wrong isomer (propan-2-ol) or for a product other than the alcohol; the leaving group must be shown as the chloride ion.