1.

A solution of a colourles salt H on boiling with excess of NaOH produces a non-flammable gas and the evolution of gas ceases after sometime. Upon addition of Zn dust to the same solution, the evolution of gas restarts. The colourless salt (S) 'H' is (are)

Answer» <html><body><p>`NH_(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)NO_(3)`<br/>`NH_(4)NO_(2)`<br/>`NH_(4)Cl`<br/>`(NH_(4))_(2)SO_(4)`</p>Solution :The <a href="https://interviewquestions.tuteehub.com/tag/colourless-422296" style="font-weight:bold;" target="_blank" title="Click to know more about COLOURLESS">COLOURLESS</a> <a href="https://interviewquestions.tuteehub.com/tag/salts-1193872" style="font-weight:bold;" target="_blank" title="Click to know more about SALTS">SALTS</a> are `NH_(4)NO_(3)` (a) and `NH_(4)NO_(2)` (<a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a>). <br/> `underset((a))(Na_(4)NO_(3)) + NaOH rarr NaNO_(3) + underset(("Colourless gass"))(NH_(3) + H_(2)O)` <br/> `NaNO_(3) + <a href="https://interviewquestions.tuteehub.com/tag/8-336412" style="font-weight:bold;" target="_blank" title="Click to know more about 8">8</a>[H] overset((Zn - "dust"))rarr NaOH + NH_(3) + 2H_(2)O` <br/> `underset((b))(NH_(4)NO_(2)) + NaOH rarr NaNO_(2) + NH_(3) + H_(2)O` <br/> `NaNO_(2) + 6[H] overset((Zn - "dust"))rarr NaOH + NH_(3) + H_(2)O`</body></html>


Discussion

No Comment Found

Related InterviewSolutions