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Which of the following compounds will an...

Which of the following compounds will answer Lassaigne's test for nitrogen.

A

`NH_(2)NH_(2)`

B

`NH_(4)Cl`

C

`NaCN`

D

`NaNO_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
During fusion wilth `Na` metal, the organic compound is converted into `NaCN` and if `NaCN` is the given compound, if will respond to Lassaigne's test.
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Knowledge Check

  • Which of the following compounds will not give Lassaigne's test for nitrogen ?

    A
    `NH_(2)NH_(2)`
    B
    `C_(6)H_(5)NHNH_(2)`
    C
    `PhN = NPh`
    D
    `NH_(2)CONH_(2)`

  • Which of the following compounds will not give Lassaigne's test for nitrogen ?

    A
    `NH_(2)NH_(2)`
    B
    `C_(6)H_(5)NHNH_(2)`
    C
    phN=Nph
    D
    `NH_(2)CONH_(2)`

  • For which of the following compounds will Lassaigne's test for nitrogen fail ?

    A
    `NH_(2)CONH_(2)`
    B
    `CH_(3)CONH_(2)`
    C
    `NH_(2)NH_(2)`
    D
    `C_(6)H_(5)NH_(2)`
    • NARAYNA-PRACTICAL ORGANIC CHEMISTRY-SCQ_TYPE
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    3. Which of the following will give Lassaigne's test for nitrogen

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    4. An organic compound having carbon, hydrogen andsulphus contsains 4% of...

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    5. When 0.32g of a compound is heated with conc. HNO(3) and BaCl(2), 0.93...

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    6. The oxygen is estimated in the organic compound by

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    7. The percentage composition of a compound C=90% and H=10%. A possible f...

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    8. The empirical formula of a compound is CH(2)O and its molecular mass i...

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    9. The best method for the separation of naphthalene and benzoic acid fro...

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    10. A mixture of n-Butylamine and Petrol can be separated by using

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    11. Which of the following compounds does not show Lassaigne's test for ni...

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    12. In lassaigne's test a blue colour is obtained if the organic compound ...

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    13. Which of the following organic compound will give red colour in Lassai...

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    14. In the test of sulphur violet colour of sodium thionitroprusside is fo...

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    15. The % of sulphur in an organic compound whose 0.32 gm. Produde 0.23 gm...

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    18. Detection of the chlorine is possible without preparing sodium extract...

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