One mark would be for recognising that there is no redox (maybe), the other (or perhaps both) would be for stating what the oxidation numbers on all the atoms are.
One mark would be for recognising that there is no redox (maybe), the other (or perhaps both) would be for stating what the oxidation numbers on all the atoms are.
Thank you! And i checked the mark scheme and you have to say there's no redox reaction and give an example