Question

what is a role of indicator in volhad's method?​

Answer 1

Answer:

$\huge \boxed{\boxed{\green{Answer}}}$

The indicator Fe3+ (ferric ion) is then added and the solution is titrated with the potassium thiocyanate solution. ... This method is used when the pH of the solution, after the sample has been prepared, is acidic. If the pH is neutral or basic, Mohr's method or the gravimetric method should be used.

Answer 2

Answer:

Aɴsᴡᴇʀ :

• ❥︎ The indicator Fe3+ (ferric ion) is then added and the solution is titrated with the potassium thiocyanate solution. ... This method is used when the pH of the solution, after the sample has been prepared, is acidic. If the pH is neutral or basic, Mohr's method or the gravimetric method should be used.