Question

Ammonium ion on reacting with NaOH gives a compound $A$ which give spositive test with :

• A. $\text{NaOH + Zn}$
• B. Nesselers reagent
• C. Brown ring test
• D. none of the above

Answer 1

The correct option is B Nesselers reagent

$N{H}_4^{+}{X}^{-}+NaOH\to N{H}_3+H_{2}O+NaX$

On being reacted with gaseous ammonia Nesselire reagent produces brown fumes and on being passed through a solution of ammonia, it gives a dirty brown precipitate.