Primary nitro compounds react with $HNO_2$ to form crystalline solids which,on treatment with $NaOH$,give:

  • A
    Red solution
  • B
    Blue solution
  • C
    White precipitate
  • D
    Yellow coloration

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Which of the following statements is correct?

Which of the following statements is incorrect regarding amines?

Identify $X$ and $Y$ in the following reactions:
$Nitrobenzene \xrightarrow{Zn/NH_4Cl} X$
$Nitrobenzene \xrightarrow{Zn + KOH/C_2H_5OH} Y$

Order of basic strength: $(A) Ph-NH_2$,$(B) Ph-NH-CH_3$,$(C) Ph-N(CH_3)_2$,$(D) \text{o-toluidine (2-methylaniline)}$

The strongest base among the following is

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