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NTA Abhyas NEET2020Chemistryp Block Elements (Group 13 & 14)Practice

The species present in solution when C O 2 is dissolved in water are

Options

  1. AC O 2 , H 2 C O 3 , H C O 3 - , C O 3 2 -
  2. BH 2 C O 3 , C O 3 2 -
  3. CC O 3 2 - , H C O 3 -
  4. DC O 2 , H 2 C O 3

Correct answer

A. C O 2 , H 2 C O 3 , H C O 3 - , C O 3 2 -

Step-by-step solution

C O 2 + H 2 O ⇌ H 2 C O 3 ⇌ H + + H C O 3 - ⇌ H + + C O 3 2 -

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