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  • Try this! A white sodium salt dissolves readily inwater to give a solution which is neutralto litmus. When silver nitrate solution isadded to the aforementioned solution, a white precipitate is obtained which doesnot dissolve in dil. nitric acid. The

A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementioned solution, a white precipitate is obtained which does not dissolve in dil. nitric acid. The anion is :

  • Option 1)

    CO_{3}^{2-}

     

     

     

  • Option 2)

    SO_{4}^{2-}

  • Option 3)

    CI^{-}

  • Option 4)

    S^{2-}

 

Answers (1)

As we learned

 

Sodium Chloride (NaCl) -

Generally obtained by evapouration of sea water by sunlight

- wherein

It is purified by passing HCl gas to impure solution of NaCl. Concentration of Cl^{-} increases, thus pure NaCl gets precipitated due to common ion effect

 

 

Na^{+} + CI^{-}\rightarrow NaCI(SASB Salt)\overset{AgNO_{3}}{\rightarrow}AgCI

                                    (Neutral)                                          (White ppt)

                                                                                        do not disslutio in dilute HNO_{3}


Option 1)

CO_{3}^{2-}

 

 

 

Option 2)

SO_{4}^{2-}

Option 3)

CI^{-}

Option 4)

S^{2-}

Posted by

Vakul

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