question_answer

Dimethyl glyoxime gives a red precipitate with\[{{\operatorname{Ni}}^{2+}}\]. Which is used for its detection. To get this precipitate readily, the best Ph range is:

A) >l                                

B) 2-3   

C) 3-4                               

D) 9-11

Correct Answer: D

Solution :

To get red precipitate with Ni^ best Ph range is 9 - 11.