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Suggest reason why excess mineral acid i...

Suggest reason why excess mineral acid is used in diazo reaction.

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In strongly acidic medium, amines get protonated to form a cation, which is considerably deactivated due to positive charge on nitrogen.
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Knowledge Check

  • Which is not a mineral acid :

    A
    `HNO_3`
    B
    HCl
    C
    HCOOH
    D
    `H_2SO_4`

  • Which is not a mineral acid :

    A
    `HNO_3`
    B
    `HCl`
    C
    `C_6H_8O_7`
    D
    `H_2SO_4`