2) its the same thing H3O or H+(aq) if you use the latter then the state symbol becomes essential otherwhise it will be taken as a free radical or nascent hdrogenPlz someone solve my doubts:
1. papers.xtremepapers.com/CIE/Cambridge%20International%20A%20and%20AS%20Level/Chemistry%20(9701)/9701_w03_qp_4.pdf for this one explain Q4ci and 4cii and also in question one i had a doubt regarding if we can use tollens, K2Cr2O7 smthn like tht as well?
2. http://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_w05_qp_4.pdf
Q5ci plz explain
3. and i wanted to ask is there a difference between H3O+ and H+ because for hydrolysis of amide diff ms have diff so if they r different when do we use each of them?