HARDMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryHydrogenAchiever Section
Match the reaction of column I with their types given in column II and mark the appropriate choice. Column I Column II (A) H O NH NH OH (i) Self ionisation of H₂O (B) FeCl 3H O → Fe(OH) 3HCl (ii) Decomposition (C) H O H O H O OH (iii) Acidic nature of H₂O (D) 2H O 2H O → (iv) Hydrolysis
A.(A) → (ii), (B) → (i), (C) → (iii), (D) → (iv)
B.(A) → (iii), (B) → (ii), (C) → (iv), (D) → (i)
C.(A) → (i), (B) → (ii), (C) → (iv), (D) → (iii)
D.(A) → (iii), (B) → (iv), (C) → (i), (D) → (ii)✓ Correct
Explanation
Reaction A describes the acidic nature of water on reaction with base. Reaction B is the hydrolysis of ferric chloride. Reaction C is the self-ionisation of water. Reaction D is the decomposition reaction. O H H HYDROGEN 30
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