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Standard XII

Chemistry

Coordination Complexes

1 mol of the ...

Question

$1$ mol of the monohydrate complex $C r C l_{3} \cdot 6 H_{2} O$ on reaction with excess of $A g N O_{3}$ solution gives two mol of white precipitate of $A g C l$ . If true enter 1, else enter 0

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Solution

$1$ mole of the monohydrate complex $C r C l_{3} \cdot 6 H_{2} O$ on reaction with excess of $A g N O_{3}$ solution gives two moles of white precipitate of $A g C l$ . Since it is monohydrate, 1 molecule of water is present in the ionization sphere and 5 molecules of water are present in coordination sphere. To complete the coordination number of 6, one chloride ion is present in the coordination sphere and remaining 2 chloride ions are present in the ionization sphere which reacts with silver ions to give two moles of AgCl ppt.

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Similar questions

[P t (N H_{3})_{5} C l] C l_{3}

is the true formula of the complex

P t C l_{4} \cdot 5 N H_{3}

. One mole of it on reaction with excess of

A g N O_{3}

yields three moles of white precipitate of

A g C l

.
If true enter 1, else enter 0.

Q. One mole of

C o C l_{3} \cdot 4 N H_{3}

on reaction with excess of

A g N O_{3}

gives one mole of white precipitate that is

[C o (N H_{3})_{4} C l_{2}] C l

.
If true enter 1, else enter 0.

P t C l_{4} .6 H_{2} O

on reaction with

A g N O_{3}

forms

2

moles of

A g C l

(whit ppt) per mol of the

P t C l_{4} .6 H_{2} O

. The complex exists as

[P t C l_{2} (H_{2} O)_{4}] C l_{2} . 2 H_{2} O

.
If true enter 1, else enter 0.

Q. A complex has a composition corresponding to the formula

C o B r_{2} C l \cdot 4 N H_{3}

. Silver nitrate solution gives ppt. of

A g C l

(1 mol) but not of

A g B r

with isomer

[C o (N H_{3})_{4} C l_{3}] B r

.
If true enter 1, else enter 0.

Two different compounds of

C r (I I I)

have the same empirical formula,

C r C l_{3} \cdot 6 H_{2} O

one

(A)

is green and the other

(B)

is violet.

(A)

on reaction with excess

A g N O_{3}

gives

1

mole of

A g C l

per mol of

(A)

while

(B)

on reaction with excess

A g N O_{3}

gives

3

moles

A g C l

per mol of

(B)

. Comment on Conductance of

A

and

B

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1 mol of the monohydrate complex CrCl3⋅6H2O on reaction with excess of AgNO3 solution gives two mol of white precipitate of AgCl. If true enter 1, else enter 0

$1$ mol of the monohydrate complex $C r C l_{3} \cdot 6 H_{2} O$ on reaction with excess of $A g N O_{3}$ solution gives two mol of white precipitate of $A g C l$ . If true enter 1, else enter 0