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Why do 2^@ and 3^@ amines fails to under...

Why do `2^@` and `3^@` amines fails to undergo the carbylamine test?

A

They combine with chloroform to give a stable compound

B

They react with alcoholic KOH

C

The nitrogen atom of the amine group does not have the required number of hydrogen atoms

D

All the given reasons are correct

Text Solution

Verified by Experts

The correct Answer is:
B
Secondary and tertiary amines fails to undergo the carbylamine test because they react with alcoholic KOH.
`underset(1^@ "amine")(R-NH_2)+CHCl_3 + 3KOH overset"Heat"to R-NC + 3KCl + 3H_2O`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-ORGANIC COMPOUNDS CONTAINING NITROGEN -MHT CET CORNER
  1. Why do 2^@ and 3^@ amines fails to undergo the carbylamine test?

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  2. The amine 'A' when treated with nitrous acid gives yellow oily substan...

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  3. Which of the following will be most stable diazonium salt RN(2)^(+)Xba...

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  4. The replacement of diazonium group by fluorine is known as

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  5. R-C-=N+2H((i) SnCl(2)//"dil".HCl)/((ii)H(3)O^(+))RCHO + NH(4)Cl this ...

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  6. Diethyl amine when treated with nitrous acid yields

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  7. Identify the alkene that is produced in the following series of reacti...

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  8. An organic compound X having molecular formula C4H11N reacts with p-to...

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  9. Nitrobenzene on reaction with conc. (HNO3)/(H2SO4) at 80-100^@C forms ...

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  10. Some meta-directing substituents in aromatic substitution are given wh...

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  11. Which of the following is the strongest base?

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  12. In the following sequence of reactions CH-underset(NH(2))underset(|)...

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  13. In the following reaction sequence, CH3CHO underset(Ca(OH)2)overset(Cl...

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  14. Which of the following amines gives yellow oily liquid with HNO2 ?

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  15. N-ethyl-N-methylpropan-1-amine is

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  16. What is the end product in the following sequence of operations? C2 ...

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  17. The compound that forms a yellow oily liquid with nitrous acid is

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  18. Iso -propylamine is a

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  19. When acetamide is treated with Br(2) and caustic soda, then we get

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  20. On heating benzyl amine with chloroform and ethanolic KOH, product obt...

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  21. A mixture of ethyl amine and alcoholic KOH on heating gives

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