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AIIMS 2011
Exam
AIIMS
Year
2011
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

AIIMS 2011 · Chemistry · Classification of Elements and Periodicity in Properties

Assertion : H_2 ~S is less acidic than H_2 Te . Reason : Te has...

Assertion : H2 S\mathrm{H}_2 \mathrm{~S} is less acidic than H2Te\mathrm{H}_2 \mathrm{Te}. Reason : Te has larger radius than SS.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

B. If both assertion and reason are true but reason is not the correct explanation of assertion.

Step-by-step solution

As the size of the atom MM in H2M\mathrm{H}_2 M increases, the strength of the H−M\mathrm{H}-M bond decreases.
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