Verified Solution • 2025–26 Session moderate

QAIPMT-2006-Ph-2426: NEET 2006 Chemistry - Class 11 AIPMT-2006-Ph-2426 Solution: Which of the following pairs constitutes a buffer?

Which of the following pairs constitutes a buffer?

Multiple Choice Options

  • A HCl and KCl
  • B HNO2HNO_2 and NaNO2NaNO_2
  • C NaOH and NaCl
  • D HNO3HNO_3 and NH4NO3NH_4NO_3

Step-by-Step Verified Solution

HNO 2 is a weak acid and NaNO 2 is its salt thus these two constitute to form an acidic buffer.

Related Learning Resources & Exam Preparation