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ChemistryNEET 2025Group 15 and 16: nitrogen, oxygen families

The p-Block Elements

Given below are two statements:

Statement I: Like nitrogen, which can form ammonia, arsenic can form arsine.

Statement II: Antimony cannot form antimony pentoxide.

In the light of the above statements, choose the most appropriate answer from the options given below:

  1. A.Both Statement I and Statement II are correct
  2. B.Both Statement I and Statement II are incorrect
  3. C.Statement I is correct but Statement II is incorrect✓
  4. D.Statement I is incorrect but Statement II is correct

Solution

Arsenic forms arsine, AsH3\mathrm{AsH_3} (I correct). Antimony does form the pentoxide Sb2O5\mathrm{Sb_2O_5} (II incorrect).

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