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Railways PYQCBT 1 2016

RRB NTPC · Question 40

Which oxide of nitrogen is used in chloroform solution? A. Nitric oxide B. Nitrogen dioxide C. Nitrous oxide D. Nitrogen Pentoxide

  1. A

  2. B

  3. C

  4. D

Show answer & explanation

Answer: (D) D

Explanation

Nitrogen pentoxide (N₂O₅) dissolved in chloroform is used as a nitrating agent in organic chemistry; it is one of the few nitrogen oxides handled as a chloroform solution. The official key marks N₂O₅.