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Extraction of Magnesium

57 Aqueous so...

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57 Aqueous solution of CoCl3.6NH3 upon addition with AgNo3 produces 3 moles white precipitate. Primary and secondary valency of metal in this complex is

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Q. An aqueous solution of

C o C l_{3} . 6 N H_{3}

A g N O_{3}

3

moles of a white precipitate. Primary and secondary valency of the metal in this complex is:

Q. An aqueous solution of

C o C l_{3} . 6 N H_{3}

A g N O_{3}

3

moles of a white precipitate. Primary and secondary valency of the metal in this complex is:

Q. An aqueous solution of

C o C l_{3} .6 N H_{3}

on mixing with excess

A g N O_{3}

produces 3 moles of a white precipitate. Then which of the following statement(s) is/are true:

2.33

g of compound X(empirical formula

C o H_{12} N_{4} C l_{3})

upon treatment with excess

A g N O_{3}

solution produces

1.435

g of a white precipitate. The primary and secondary valences of cobalt in compound X, respectively, are.
[Given : Atomic mass:

C o = 59, C l = 35.5, A g = 108

Q. In aqueous solution 1 mole of

C o C l_{3} .4 N H_{3}

gives 1 mole of AgCl precipitate with excess

A g N O_{3}

, then what is the secondary valency of metal?

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Extraction of Magnesium

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