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  • Try this! The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is :

The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes : CoCl3.6NH3, CoCl3.5NH3, CoCl3.4NH3 respectively is :

  • Option 1)

    1 AgCl, 3 AgCl, 2 AgCl

  • Option 2)

    3 AgCl, 1 AgCl, 2 AgCl

  • Option 3)

    3 AgCl, 2 AgCl, 1 AgCl

  • Option 4)

    2 AgCl, 3 AgCl, 1 AgCl

 

Answers (1)

best_answer

As we learned in concept

Stoichiometry -

Stoichiometry deals with measurements of reactants and products in a chemical reaction.

- wherein

aA (g) + bB (g) → cC (g) + dD (g)

Here, ‘a’ moles of A(g) reacts with ‘b’ moles of B(g) to give ‘c’ mole of C(g) and ‘d’ moles of D(g)

 

 The number of Cl atoms not in the cordinate comples are free to precipitate as Agcl.

Co forms a complex with 6 ligands with NH3 molecules with priority are Cl here

Similarly CoCl_{3}.5NH_{3}  2Cl will precipitate

CoCl3 .4HN3  1Cl will precipitate

 


Option 1)

1 AgCl, 3 AgCl, 2 AgCl

Option is incorrect

Option 2)

3 AgCl, 1 AgCl, 2 AgCl

Option is incorrect

Option 3)

3 AgCl, 2 AgCl, 1 AgCl

Option is correct

Option 4)

2 AgCl, 3 AgCl, 1 AgCl

Option is incorrect

Posted by

divya.saini

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