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NEETChemistryp Block Elements (Group 13 & 14)

H 2 S is less acidic than H 2 Te. Why?

Options

  1. AThe electronegativity difference between H and S is greater than that between H and Te.
  2. BH 2 Te has a higher electron affinity, making it more likely to donate a proton.
  3. CThe bond dissociation energy of H 2 S is higher than that of H 2 Te.
  4. DThe atomic radius of S is smaller than that of Te, leading to a stronger H-S bond.

Correct answer

D. The atomic radius of S is smaller than that of Te, leading to a stronger H-S bond.

Step-by-step solution

Correct Option is : (D) The atomic radius of S is smaller than that of Te, leading to a stronger H-S bond.

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