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MHT CET202618 April 2026Evening ShiftChemistryChemical Bonding and Molecular StructureActual

Which from following gases is least soluble in water at same temperature and pressure ?

Options

  1. ANH ₃
  2. BCO ₂
  3. CHCl
  4. DN ₂

Correct answer

D. N ₂

Step-by-step solution

Solubility of a gas in water depends on its ability to interact with water molecules. Water is a polar solvent. NH ₃ is highly soluble in water due to its ability to form intermolecular hydrogen bonds with water. HCl is a polar molecule that ionizes completely in water, making it highly soluble. CO ₂ is moderately soluble because it reacts with water to form carbonic acid ( H ₂ CO ₃ ). N ₂ is a non-polar diatomic gas that neither reacts with water nor forms hydrogen bonds. Therefore, it has the weakest interaction

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