Zadanie 12
Wzorowane na: Chemistry HL Paper 1, November 2024, pytanie 12. Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Polecenie
The structure of a compound is shown below.
Atom (1) is the nitrogen atom of the ring, atom (2) is the ring carbon bonded to the ethynyl group and atom (3) is the terminal carbon of the ethynyl group.
Which row gives the hybridization and the molecular geometry around each of the numbered atoms?
A. (1) sp3, trigonal pyramidal; (2) sp2, trigonal planar; (3) sp, linear
B. (1) sp2, bent; (2) sp2, trigonal planar; (3) sp, linear
C. (1) sp2, trigonal planar; (2) sp3, tetrahedral; (3) sp, linear
D. (1) sp, linear; (2) sp2, trigonal planar; (3) sp2, trigonal planar
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
B ✔
«atom (1) has two bonded atoms and a lone pair, so three electron domains: sp2 and a bent shape; atom (2) has three bonded atoms in the ring plane: sp2, trigonal planar; atom (3) is part of a triple bond and has two electron domains: sp, linear»
Schemat punktowania
One mark for the correct option.