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Question: Answered & Verified by Expert
Assertion : $\mathrm{H}_2 \mathrm{~S}$ is less acidic than $\mathrm{H}_2 \mathrm{Te}$. Reason : Te has larger radius than $S$.
ChemistryClassification of Elements and Periodicity in PropertiesAIIMSAIIMS 2011
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1253 Upvotes Verified Answer
The correct answer is: If both assertion and reason are true but reason is not the correct explanation of assertion.
As the size of the atom $M$ in $\mathrm{H}_2 M$ increases, the strength of the $\mathrm{H}-M$ bond decreases.

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