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Question: Answered & Verified by Expert
The most acidic among the following compounds is
Chemistryp Block Elements (Group 15, 16, 17 & 18)TS EAMCETTS EAMCET 2018 (05 May Shift 2)
Options:
  • A $\mathrm{NO}_2$
  • B $\mathrm{N}_2 \mathrm{O}_4$
  • C $\mathrm{N}_2 \mathrm{O}_5$
  • D $\mathrm{N}_2 \mathrm{O}_3$
Solution:
2474 Upvotes Verified Answer
The correct answer is: $\mathrm{N}_2 \mathrm{O}_5$
$$
\mathrm{NO}_2, \quad \mathrm{~N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_5, \mathrm{~N}_2 \mathrm{O}_3
$$
Oxidation number of $\mathrm{N}=+4+4+5+3$ In $\mathrm{N}_2 \mathrm{O}_5$ nitrogen have +5 oxidation state, so this is most acidic.

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