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JEE Mains · Chemistry · STD 11 - 8.3. Organic chemistry purification and characterization

Which of the following compounds is not expected to show Lassaignes' test for nitrogen ?

  1. A Propanenitrile
  2. B Hydroxylamine hydrochloride
  3. C Nitromethane
  4. D Ethanamine
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Answer & Solution

Correct Answer

(B) Hydroxylamine hydrochloride

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Detailed explanation

Lassaigne's test is used for the detection of nitrogen and given by all nitrogenous compound except diazo \(\rlap{-} (\,\,N = N\rlap{-} )\) compounds. This test is shown only by the compounds containing \(C\) and \(N\) both hence hydroxyl amine hydrochloride \((H_2NOH .HCl)\)…
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