Zadanie 15
Wzorowane na: Chemistry HL Paper 1, May 2023, TZ1, pytanie 15. Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Polecenie
Which allotrope of oxygen, O2 or O3, has the longer bond between oxygen atoms, and which is dissociated by ultraviolet radiation of the longer wavelength?
A. Longer bond: ozone; longer wavelength: ozone
B. Longer bond: oxygen; longer wavelength: oxygen
C. Longer bond: oxygen; longer wavelength: ozone
D. Longer bond: ozone; longer wavelength: oxygen
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
A ✔
«the bonds in ozone have a bond order of 1.5 (delocalization over two bonds), so they are longer and weaker than the double bond of O2; a weaker bond is broken by lower frequency, that is longer wavelength, radiation»
Schemat punktowania
One mark for the correct option.