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Dye test can be used to distinguish betw...

Dye test can be used to distinguish between

A

Ethylamine and acetamide

B

Ethylamine and aniline

C

Urea and acetamide

D

Methylamine and ethylamine

Text Solution

Verified by Experts

The correct Answer is:
B
Dye test is given by aromatic primary amines and not by aliphatic amines.
Aniline gives diazonium chloride with `HNO_(2)(NaNO_(2)//HCl)` at `0^(@)C` which form coloured dye with phenols. This is dye-tesopt. Aliphatic amines form alcohol with evolution of `N_(2)` on treating with `HNO_(2)`.
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ERRORLESS -NITROGEN CONTAINING COMPOUNDS -PREPARATION OF NITROGEN CONTAINING COMPOUNDS
  1. A compound with nitro group was reduced by Sn//HCl, followed by treatm...

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  2. The reduction of which of the following compound would yield secondary...

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  3. Dye test can be used to distinguish between

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  5. Which of the following is not the property of ethanenitrile (CH3CN) ?

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  6. Amino group, -NH(2) is ortho, para-directing group in case of aromatic...

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  7. Aniline reacts with alktl halide to give

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  8. When an organic compound was treated with sodium nitrite and hydrochlo...

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  9. Among the following compounds nitrobenzene, benzene, aniline and pheno...

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  10. Which of the following compounds does not react with NaNO2 and HCl?

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  11. Aniline when treated with conc. HNO3 gives

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  12. Amines behave as:

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  13. Mixture of benzene and aniline can be separated by:

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  14. A nitrogen containing organic compound gave an oily liqid on heating w...

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  15. Which of following species does not exert a resonance effect

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  16. The correct sequence of reactions to convert p-nitrophenol into quinol...

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  17. In an alkaline medium, glycine predominantly exists as/in a/an

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  18. Benzylamine is a stronger base than aniline because

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  19. p-Nitrobromobenzene can be converted to p-nitroaniline by using NaNH2....

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  20. Which on doesn't liberate NH(3) when undergoes hydrolysis?

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