To differentiate between the white ppt of AgCl and off-white ppt of AgBr we use:
Correct answer: C. Dil.solution of NH3
- A. Dil.solution of NaOH
- B. Dil.solution of Pb(NO3)2
- C. Dil.solution of NH3
- D. Dil.solution of FeCl3
Explanation
The white precipitate of silver chloride dissolves in excess of ammonia, hypo solution and NaCN while bromide ions give a cream precipitate of silver bromide so the results can easily be distinguished.
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About Transition Elements
Transition elements are identified by their partially filled d subshells in atoms or common ions. The topic covers the electronic structure of d-block elements, including the filling order of 4s and 3d orbitals, variable oxidation states and the distinction between transition elements and elements with completely filled d subshells.
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