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Deep blue colour formed by addition of c...

Deep blue colour formed by addition of copper (II) suphate solution to ethylamine is due to formation of

A

free `Cu^(2+)` ions in solution

B

`(NH_(4))_(2)SO_(4)`

C

`[Cu(C_(2)H_(5)NH_(2))_(4)]^(2+)` ions

D

`Cu(OH)_(2)`.

Text Solution

Verified by Experts

The correct Answer is:
C
`Cu^(2+)+4C_(2)H_(5)NH_(2) rarr underset("(Deep blue complex)")underset("Tetraethylamine Copper (II) ion")([Cu(C_(2)H_(5)NH_(2))_(4)]^(2+))`
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DINESH PUBLICATION-CYANIDES, ISOCYANIDES, NITROCOMPOUNDS AND AMINES-Unit test - 8
  1. Deep blue colour formed by addition of copper (II) suphate solution to...

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  2. Select incorrect statement

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  3. H(2)O is reduce with Sn//HCl. Product formed

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  4. RNH(2) can be converted into R, NH and no other amine by

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  5. Which is general order of basicity for water and amines

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  6. Consider following hydrogen-bonded amines I and II Select the cor...

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  7. Which is the strongest conjugate acid ?

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  8. When (CH(3))(3)CNH(3)^(+)Cl^(-) is heated, product is

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  9. Select correct statement (s), about the following reaction [(CH(3))(3)...

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  10. Major alkene of the following reaction is {:(CH(3)-C CH(2)CH(3)),(" ...

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  11. Exhaustive methylation of CH(3)CH(2)NH(2) forms

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  12. Following 2^(@) amine has chiral carbon as indicated H-underset(CH(3))...

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  13. Major product of the following reaction is {:(" "NH(...

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  14. Consider the following reaction underset((A))(CH(3)CONH(2)) overset(...

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  15. Which is soluble in NONO(2) and dil HCl mixture forming salt ?

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  16. Tertiary amine is oxidized to oxide by

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  17. Cope elimination is an intramolecular, E(2) reaction because

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  18. Cope elimination

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  19. In gas phase, the basicities of amines increase in the order NH(3) lt ...

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  20. In aqueous phase basicity of amines is in order NH(3) lt (CH(3))(3)N...

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  21. Which of the following chemicals are used to manufacture methyl isocya...

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