Question

Ch3ccooh and ch3cooh which is strong acid and why

Answer 1

sulphuric acid. H2SO4

Answer 2

1.Cl3 C-COOH is more acidic than H3C-COOH due to the cumulative -Ieffect of three Cl atoms attached to C atom next to the COOH group.

2. As a result of the -I effect (pulling of elctrons of bobd between Cl and Catom) of Cl atoms, C atom of COOH group develops +ve charge. To compensate the electron deficiency, the C atom of the COOH group, in turn, tends to pull the the shared electons pair between C and O atom of O-H group with more power than in H3C-COOH, thus giving more H+ ions in the aqueous solution.

Hence,Cl3C- COOH is more acidic than H3C-COOH.

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