Question

the ions that canot be determined by mohrs method?
1) chloride ions
2) iodide ions
3) bromide ions
4) thiocyanateions​

Answer 1

Answer:

Ionide ions

Explanation:

Mohr method. The Mohr method uses chromate ions (CrO42-) as the indicator for the argentometric determination of bromide, chloride and cyanide ions.

Answer 2

The ion that cannot be determined by Mohr’s method is (2) Iodide ion.

Explanation for the answer:

• The Mohr's method includes direct titration in which the chloride ion concentration of the provided solution is seen by titrating it with silver nitrate.
• Ag⁺(aq) + Cl⁻(aq) → AgCl(s)
• Silver nitrate is used to form titrants and chloride ion solution which is used as an analyte in this process.
• The Mohr's method is used in the determination of silver, chloride and bromide.
• Hence, the correct answer is option (2) Iodide ions.