Verified Solution • 2025–26 Session moderate

QAIPM-2001-Ch-2877: NEET 2001 Chemistry - Class 11 AIPM-2001-Ch-2877 Solution: Ionisation constant of \(CH_3COOH\) is \(1.7 10^{-5}\) and…

Ionisation constant of CH3COOHCH_3COOH is 1.7×10−51.7\times10^{-5} and concentration of H+H^+ ions is 3.4×10−43.4\times10^{-4}. Then find out initial concentration of CH3COOHCH_3COOH molecules.

Multiple Choice Options

  • A 3.4×10−43.4\times10^{-4}
  • B 3.4×10−33.4\times10^{-3}
  • C 6.8×10−46.8\times10^{-4}
  • D 6.8×10−36.8\times10^{-3}

Step-by-Step Verified Solution

CH 3 COOH _ CH 3 COO � + H + K c = [ C H 3 C O O _ ] [ H + ] [ C H 3 C O O H ] _ [CH 3 COOH] = 3.4 _ 10 _ 4 _ 3.4 _ 10 _ 4 1.7 _ 10 _ 5 = 6.8 _ 10 �3

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