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JEE Advanced 2010Paper 1
Exam
JEE Advanced
Year
2010
Paper
Paper 1
Subject
Chemistry
Chapter
Ionic Equilibrium

JEE Advanced 2010 · Paper 1 · Chemistry · Ionic Equilibrium

Aqueous solutions of HNO_3, KOH , CH_3 COOH , and CH_3 COONa of...

Aqueous solutions of HNO3,KOH\mathrm{HNO}_3, \mathrm{KOH}, CH3COOH\mathrm{CH}_3 \mathrm{COOH}, and CH3COONa\mathrm{CH}_3 \mathrm{COONa} of identical concentrations are provided. The pair(s) of solutions which form a buffer upon mixing is(are)

Options

  1. AHNO3\mathrm{HNO}_3 and CH3COOH\mathrm{CH}_3 \mathrm{COOH}
  2. BKOH\mathrm{KOH} and CH3COONa\mathrm{CH}_3 \mathrm{COONa}
  3. CHNO3\mathrm{HNO}_3 and CH3COONa\mathrm{CH}_3 \mathrm{COONa}
  4. DCH3COOH\mathrm{CH}_3 \mathrm{COOH} and CH3COONa\mathrm{CH}_3 \mathrm{COONa}

Correct answer

C. HNO3\mathrm{HNO}_3 and CH3COONa\mathrm{CH}_3 \mathrm{COONa}

Step-by-step solution

HNO3\mathrm{HNO}_3 and CH3COONa\mathrm{CH}_3 \mathrm{COONa} can form buffer if the amount of HNO3\mathrm{HNO}_3 is limited. However concentrations are same but the amount can differ with manipulation of volume. Ionic equilibrium Conceptual II
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