Zadanie 27
Wzorowane na: Chemistry SL Paper 1, May 2022, TZ2, pytanie 27. Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Polecenie
Which pair of reaction mechanisms is typical of the reaction of an alkene with bromine and of the reaction of bromoethane with aqueous sodium hydroxide, respectively?
A. Electrophilic addition and electrophilic addition
B. Electrophilic addition and nucleophilic substitution
C. Nucleophilic substitution and electrophilic addition
D. Nucleophilic substitution and nucleophilic substitution
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
B ✔
«the electron-rich C=C double bond of an alkene is attacked by an electrophile, giving addition; in bromoethane the carbon bonded to bromine is electron-deficient and is attacked by the nucleophile OH−, which replaces bromide»
Schemat punktowania
One mark for the correct option.