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Question: Answered & Verified by Expert
Assertion : $\mathrm{H}_2 \mathrm{Se}$ is less acidic than $\mathrm{H}_2 \mathrm{~S}$.Reason : $S$ is less electronegative than Se.
ChemistryClassification of Elements and Periodicity in PropertiesAIIMSAIIMS 2012
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:
1011 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false
$\mathrm{S}$ is more electronegative than Se.

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