UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper II
Q14(b). Acid strength order: phosphorus oxoacids; CH₃COOH vs CF₃COOH
Question
Arrange the following molecules in order of their increasing acid strength, giving reason: (i) H₃PO₄, H₃PO₃ and H₃PO₂ [as given in the paper] (ii) CH₃COOH and CF₃COOH.
Model answer
The free solution for 2018 answers questions 1, 2, 3, 4, 5, 6, 8, 12, 13 and 15, the ones picked in its time plan. This part is not answered on the site yet. New answers are announced on Telegram.
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Coversacid strengthinductive effecttrifluoroacetic acidphosphorus oxoacids
All parts of Question 14
- 14(a) Why glycerol is more viscous than water5 marks
- 14(b) Acid strength order: phosphorus oxoacids; CH₃COOH vs CF₃COOH5 marks
- 14(c) Half-life of a second-order reaction5 marks
- 14(d) Commutator [x, pₓ]5 marks