Question

Difference between Sodium chloride and sodium nitrate

Answer 1

Hello there....
.I'm Rajdeep..!!

Sodium chloride and sodium nitrate both are colourless solutions, so how to distinguish??

Simple...
Just add silver nitrate solution on both the solutions. In one case we will get no observation but in another case, we will get a white precipitate (of Silver chloride), which dissolves when excess ammonia solution is added to it. The solution in which there was no observation was sodium nitrate and the solution in which we got the ppt was Sodium Chloride. The following reactions took place:

NaCl + AgNO3 ------> AgCl + NaNO3
AgCl is the white ppt. Now add excess NH4OH.

AgCl + NH4OH -----> Ag[(NH3)2]Cl + H2O
Ag[(NH3)2]Cl is a complex salt called diammine silver chloride, which is colourless....

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Answer 2

NaCl and NaNO3 solution can be distinguished simply by the addition of AgNO3 solution into NaCl solution and NaNO3 solution.

NaCl gives white ppt of AgCl where as NaNO3 will not.