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The reaction of amines with NaNO(2)+HCl ...

The reaction of amines with `NaNO_(2)+HCl` depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids.
The possible alcohols produced ore

with `NaNO_(2)HCl` is / are

A

B

C

D

Text Solution

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The correct Answer is:
A, B, C
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when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. In the given reaction

when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. For the following diazonium ion the decreasing order of reactivity of these ion in azo-coupling rcaction

Knowledge Check

  • The reaction of amines with NaNO_(2)+HCl depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids. overset(NaNO_(2)+HCl)to product structure is likely to be

    A
    B
    C
    D
    All the above

  • The reaction of amines with NaNO_(2)+HCl depends on the type of the amine and whether it is aliphatic or aromatic. The diazo group developed in aliphatic primary amines is rather highly unstable and decompose to produce mainly alcohols. Secondary amines react to give yellow oily liquids. Which of the following amines give yellow oily liquid nitroso compounds on reaction with NaNO_(2)+HCI .

    A
    `CH_(3)CH_(2)NHCH_(3)`
    B
    C
    D
    Both a & b

  • Which of the following amines react with NaNO_(2)+HCl to give yellow oily liquid product(s)

    A
    `C_(6)H_(5)NHCH_(3)`
    B
    `CH_(3)CH_(2)NHCH_(2)CH_(3)`
    C
    `C_(6)H_(5)N(CH_(3))_(2)`
    D
    `C_(6)H_(5)NH_(2)`

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    when an primay aromatic amine is treated with NaNO_(2)+HCl at 0^(0)-5^(0)C , a diazonium salt is formed and the reaction is called diazo reaction. In this reaction mineral acid must be added to prevent the coupling reaction of diazonium salt with excess of aryl amine. Diazonium salt is highly useful in the synthesis of number of coloured dyes. When 2, 4-dinitroaniline react with NaNO_(2)+HCI at 5^(0)C followed by reaction with anisole, a coloured compound is formed which can be given as

    A, B, C are with molecular formula C_(8)H_(11)N three isomeric amines. A and B react with CHCl_(3)+KOH but not C. C reacts with NaNO_(2)+HCl to give yellow oily liquid. A and B on treatment with Br_(2) and acetic acid separately produced compounds D (C_(8)H_(9)NBr_(2)) and E(C_(8)H_(8)N Br_(3)) . The name of compound B is likely to be

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