The last Verse (in the Quran) revealed to the Prophet (ﷺ) was the Verse dealing with usury (i.e. Riba).
Sahih al-Bukhari Book 65, Hadith 67
← Previous Hadith When the last Verses of Surat-al-Baqara were revealed, Allah's Messenger (ﷺ) stood up and recited them before us and then prohibited the trade of alcoholic liquors.

Sahih al-Bukhari Book 65, Hadith 66 Next Hadith → This Verse:--"Whether you show what is in your minds or conceal it.." (2.284) was abrogated.

Sahih al-Bukhari Book 65, Hadith 68