MCQ
Given below are two statements:

Statement $(I)$ : $A$ Buffer solution is the mixture of a salt and an acid or a base mixed in any particular quantities.

Statement $(II)$ : Blood is naturally occurring buffer solution whose $\mathrm{pH}$ is maintained by $\mathrm{H}_2 \mathrm{CO}_3 / \mathrm{HCO}_3$ concentrations.

In the light of the above statements, choose the correct answer from the options given below.

  • Statement $I$ is false but Statement $II$ is true
  • B
    Both Statement $I$ and Statement $II$ is true
  • C
    Both Statement $I$ and Statement $II$ is false
  • D
    Statement $I$ is true but Statement $II$ is false

Answer

Correct option: A.
Statement $I$ is false but Statement $II$ is true
a
Buffer solution is a mixture of either weak acid / weak base and its respective conjugate.

Blood is a buffer solution of carbonic acid $\mathrm{H}_2 \mathrm{CO}_3$ and bicarbonate $\mathrm{HCO}_3^{-}$

Statement $1$ is false but Statement $II$ is true.

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