MHT CET 2026 Chemistry question
Match List I with List II List I (Buffers) (A) HCO + HCO (B) Phosphate (C) Sodium Citrate (D) NHCl + NHOH List II (Applications) (I) Maintain the pH of blood forms 7.36 to 7.42 (II) In Medicine (III) In Qualitative analysis of basic radicals (IV) In fertilizers Choose the correct answer from the options given below:
Answer: (C)
Solution
Match each buffer with its use. (A) The bicarbonate/carbonic acid pair is the main buffer of blood that holds pH at 7.36 to 7.42, so A matches (I). (B) Phosphate buffers are used in fertilizers (soil/nutrient pH control), so B matches (IV). (C) Sodium citrate (with citric acid) is used in medicine (e.g. as an
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