An organic compound $Z$ • is oxidised by hot acidified potassium manganate(VII), • reacts with sodium to produce hydrogen. What might compound $Z$ be?
- A$(\text{CH}_3)_3\text{COH}$
- B$\text{CH}_3\text{CH}_2\text{CH}_2\text{CHO}$
- C$\text{CH}_3\text{CH}_2\text{CH(OH)CH}_3$
- D$\text{CH}_3\text{CH}_2\text{COCH}_3$