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A nitrene, , is best described as

  1. Aa neutral, electron-deficient species with six electrons around nitrogen
  2. Ba negatively charged species with eight electrons around nitrogen
  3. Ca positively charged species with six electrons around nitrogen
  4. Da neutral radical with seven electrons around nitrogen

Answer: A

In nitrogen has one bond to R (2 electrons) and two lone pairs (4 electrons), so electrons. It is neutral and has a sextet, so it is the nitrogen analogue of a carbene.
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