## Answers

is the strongest acid due to One H H + 0-H inductivo For stronger acid Pka will be lowe 92. Here, .S0₂H 8oH group uke strong supneuric acid, here only Ils substituted by v group. Pra=-1-68 , option & It's strong acid. due to stabinity of conjugare base via resonance.

Here, weakest acid is propanoic acid. ciz el-cooh Corganic acid) stablity. (A Pka =.478 Celtzelt cooH) Now, (NEC)- CH₂ coolt -I; or contains group. e е. No resonance nes

Nee- CH₂ لو C- < base & CN group stabilises the conjugate se o withdrawing awing a election sity to worods it set via BA densi so, Pka= 2.45 B.

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