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AIIMS 2004
Exam
AIIMS
Year
2004
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

AIIMS 2004 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The element which forms oxides in all oxidation states +I to +V is

The element which forms oxides in all oxidation states +I+\mathrm{I} to +V+\mathrm{V} is

Options

  1. AN\mathrm{N}
  2. BP\mathrm{P}
  3. CAs
  4. DSb\mathrm{Sb}.

Correct answer

A. N\mathrm{N}

Step-by-step solution

Stability of oxides of higher oxidation states decreases with increasing atomic number. Nitrogen exhibits a large number of oxidation states such as +1,+2,+3,+4,+5+1,+2,+3,+4,+5 in N2O,NO,N2O3, N2O4\mathrm{N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{N}_2 \mathrm{O}_3, \mathrm{~N}_2 \mathrm{O}_4 and N2O5\mathrm{N}_2 \mathrm{O}_5.
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