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Question: Answered & Verified by Expert
Assertion : Activity of an enzyme is $\mathrm{pH}$ dependent.
Reason : Change in $\mathrm{pH}$ affects the solubility of the enzyme in water.
ChemistrySurface ChemistryAIIMSAIIMS 2003
Options:
  • A If both assertion and reason are true and the reason is the correct explanation of the assertion
  • B If both assertion and reason are true and the reason is not the correct explanation of the assertion
  • C If assertion is true but reason is false
  • D If both assertion and reason are false.
Solution:
2234 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true and the reason is not the correct explanation of the assertion
Enzymes are proteins which act as catalyst for bio-chemical reactions. $\mathrm{pH}$ affect their activity as protonation-deprotonation may cause denaturation of the protein structure. Solubility is also affected.

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