If N and S both are present in an organic compound then during Lassaigne’s test,

If N and S both are present in an organic compound then during Lassaigne’s test, both will change into

Options

(a) NaSCN
(b) Na₂S and NaCN
(c) Na₂S and NaCNO
(d) Na₂SO₃ and NaCN

Correct Answer:

NaSCN

Explanation:

If nitrogen and sulphur both are present in any organic compound, sodium thiocyanate is formed.Both are tested simultaneously with FeCl₃ solution, when a blood red colouration appears. Na + C + N + S(In the organic compound) → NaCNS(Sodiumthiocyanate).

admin:

Related Questions

  1. Ethyl benzoate can be prepared from benzoic acid by using
  2. Which expression is correct for the work done in adiabatic reversible expansion
  3. The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹
  4. Which one of the following is present as an active ingredient in bleaching
  5. The metal having the highest melting point is