Zadanie 1f
Wzorowane na: Chemistry HL Paper 2, May 2024, TZ2, pytanie 1(f). Treść, dane i kontekst są zmienione; sprawdzane umiejętności, format i punktacja jak w oryginale.
Darmowe konto pozwoli wrócić do niego później.
Informacja do zadań 1a-1f.
Compound A is a colourless organic liquid. It was burnt completely in excess oxygen, which gives only carbon dioxide and water, and the mass percentages of carbon and hydrogen in A were found to be as follows.
| C / % | H / % |
|---|---|
| 69.70 | 11.72 |
Polecenie
Deduce one possible structural formula of A that fits all of the evidence above.
Sprawdź rozwiązanieUkryj rozwiązanieKlucz i punktacja
Odpowiedź z klucza
HOCH2CH2CH2CH=CH2 ✔
OR
any other primary alcohol of molecular formula C5H10O with one C=C double bond or with one ring ✔
Schemat punktowania
[1] for a primary alcohol with five carbon atoms and ten hydrogen atoms that contains one C=C bond or one ring. Do not accept a secondary or tertiary alcohol, an aldehyde or a ketone.