An organic compound $[ A ]\left( C _4 H _{11} N \right)$, shows optical activity and gives $N _2$ gas on treatment with $HNO _2$. The compound $[ A ]$ reacts with $PhSO _2 Cl$ producing a compound which is soluble in $KOH$. The structure of $A$ is:
  • A

  • B

  • C

  • D

JEE MAIN 2023, Difficult
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