In the Liebermann nitroso reaction,what is the sequence of color changes in phenol?

  • A
    Red or brown $\rightarrow$ Green $\rightarrow$ Deep blue
  • B
    Red $\rightarrow$ Deep $\rightarrow$ Blue green
  • C
    Red $\rightarrow$ Green $\rightarrow$ White
  • D
    White $\rightarrow$ Red $\rightarrow$ Green

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