Q40 / 160 · TS EAMCET 2020 (09 Sep Shift 2) · Chemistry

Which one among the following statements is true?

  • A
    Aliphatic diazonium salts are stable.
  • B
    Aniline cannot be converted into phenol via its diazonium salt.
  • Correct answer
    C
    Aliphatic diazonium salts liberate nitrogen gas quantitatively.
  • D
    Aniline cannot be converted into fluorobenzene via its diazonium salt.

Solution

Diazonium salts are group of organic compounds that has common functional group $R-\mathrm{N}_2^{+} X^{-}$, where $R$ is any organic group, e.g. alkyl or aryl. ' $X$ ' is an inorganic group, e.g. halogens. (a) Aliphatic diazonium salts are not very stable. (b) Aniline can be converted into phenol via diazonium salt. (c) Aliphatic diazonium salts liberate nitrogen gas quantitatively. (d) Aniline can be converted into fluorobenzene via diazonium salt. Hence, statement (c) is true and is the correct answer.

Hence, the correct answer is option: 'C'.

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