Plzz explain all the options....Thanks

Asked by jhajuhi19 | 14th Jun, 2019, 09:33: AM

Expert Answer:

When AgNO3 reacts with the halides they form insoluble silver halides such as silver chloride, silver bromide and silver iodide.

 
Ag to the power of plus left parenthesis aq right parenthesis space plus space Cl to the power of minus left parenthesis aq right parenthesis space space rightwards arrow with blank on top space AgCl left parenthesis straight s right parenthesis downwards arrow

Ag to the power of plus left parenthesis aq right parenthesis space plus space Br to the power of minus left parenthesis aq right parenthesis space space rightwards arrow with blank on top space AgBr left parenthesis straight s right parenthesis downwards arrow

Ag to the power of plus left parenthesis aq right parenthesis space plus space straight I to the power of minus left parenthesis aq right parenthesis space space rightwards arrow with blank on top space AgI left parenthesis straight s right parenthesis downwards arrow
 
 
But the silver fluoride is soluble, hence no precipitation is formed.
 
 
      Ion      Observations                                 
F No precipitate 
Cl White precipitate
Br Very pale cream precipitate
I very pale yellow precipitate

Answered by Ramandeep | 14th Jun, 2019, 11:23: AM

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